Chapter II THE BLOSSOMING TREES |
Illustrated capital Hawaii’s most impressive floral displays are the flowering trees which line the streets and fill the gardens. They rival, in the masses of their flowers, the fruit trees of the mainland, but they possess colorings of tropical brilliance which have no rivals outside of warm countries. Moreover, instead of blooming for a few brief days, or at most, weeks, these trees continue in bloom for months at a time. Some of them never cease. About the middle of June, there is a period when the display is at its best. This is when all the shower trees are out, the early ones still lingering, the later ones coming on, and when the red of the Poinciana, and the blue of the Jacaranda, add their hues to the galaxy of yellows and pinks. At this time, too, the Plumerias bring white and rose to the scene. Midwinter finds most of these gone, but the African Tulip flowers are then a fiery crown on many trees and some trees, like the canary colored Be-still, continue their flowering all the year round. GOLD TREE. SUNSHINE TREE
Tabebuia donnell-smithi Rose One of the very special events in Honolulu’s floral calendar is the blooming of the Gold or Sunshine tree which grows on School Street, near Nuuanu. The time of year at which this takes place is highly uncertain, being sometimes in midwinter, again late in the spring. Certain other specimens of the tree are just as erratic, and none seems to have any relation to another, so that if the flowering period of one is missed, another may be found in bloom. When not in bloom the Gold tree is rather ungainly in appearance, its smooth, slender, light grey trunk lifting the branches high in the air far beyond reach. But when the flowers suddenly appear on the bare branches, it seems like the touch of Midas, for they are shining masses of the purest gold, or like crystallized sunshine. The breathtaking color is intensified by the necessity of looking up at them against the vivid blue of a spring sky. The tree is a member of the Bignonia family, and individual flowers are of typical Bignonia form, a slightly irregular tube with five lobes, irregularly margined. The leaves which appear after the flowers fall are, on older specimens, of compound form made up of opposite leaflets. On young trees the leaflets radiate from a common center. The chief specimen of this tree grows in the Foster Gardens, now a public park, but originally the home of Dr. William Hillebrand, who must have planted it along with the many other novelties which he introduced. A second tree now grows across School street in a small nursery garden and a fine specimen is found in Moanalua gardens. Still another grows in the school grounds across from the Nuuanu YMCA. It is a native of tropical America. (Plate II) ROYAL POINCIANA. FLAMBOYANT
Poinciana regia Bojer Of all Hawaii’s flowering trees, the Royal Poinciana is easily the most stunning and conspicuous for sheer color and brightness. A solid mass of red, it is, nevertheless, not merely gaudy, but one of the most graceful and picturesque of trees, a flat umbrella of color in small specimens, or composing into long sweeping curves in larger ones. It suggests the massive regalia of some magnificent Oriental potentate. The color is most dramatic if viewed against a grey, valley raincloud in the late afternoon, touched by the level yellow rays of the declining sun. The tree may become forty feet high, if growing under favorable conditions, but if the roots are cramped it remains quaintly dwarfed. Although bare for a short season in winter, the general flowering season of the Poinciana is long, for some trees begin to bloom early in spring, while others wait until late summer to open. June is the month when most of them are in bloom and the streets are consequently most gorgeous. Individual Poinciana flowers, which have to be looked for closely to be distinguished in the masses of bloom at the end of the branches, have five petals. One of these is white, on the flag-red trees, or yellow on those tending toward scarlet coloring. These light touches give a piquant effect to the mass of color. Long, curved, brown pods hang on the tree for months after flowers and leaves have gone, and show that this tree is a member of the legume family. The flowers usually appear on the bare tree before the new foliage comes out, but in a short time the leaves appear and for some weeks the green and red colorings remain together. The leaves are fernlike, bipinnate in form, with very small leaflets. Even when the flowers have fallen to form a carpet of red underneath the green tree, it is graceful and attractive. It is a native of the island of Madagascar and was named for de Poinci, a governor of the Antilles in the 17th century. The French have given it another name, Flamboyant, by which it is widely known all over the tropical world and one which is particularly appropriate. No visitor to Hawaii can miss the Poinciana, but the row that grows along Wilder avenue is perhaps the most effective, although individual large trees elsewhere may be more impressive for size and form. (Plate II) POTATO TREE
Solanum macrophyllum Dunal The nightshade family, to which the potato belongs, is one of the most widespread of botanical groups. It contains however, but few trees. One of these is usually called the Potato tree, because its flower is similar in form to that of the common potato. It grows in Hawaii, but is not common although it grows in some gardens and in the Mid-Pacific Horticultural Establishment. While similar in form to the ordinary potato blossom, the flower of the Potato tree is comparatively large, being about two inches across. It has five joined segments which give it almost a pentagonal outline. The color is a rich purple-blue when it first opens, but this fades to a pale blue and then almost white. In the center is a golden yellow column made of the thick anthers. The tree grows very rapidly. Its leaves are large, about a foot long, and irregularly lobed. They carry a few sharp thorns along the back of the midrib. The plant is a native of Mexico. (Plate II) TIGER’S CLAW. CORAL TREE. INDIAN WILI-WILI
Erythrina indica Lamarck Tall trees, bursting into pointed red blossoms in midwinter and early spring, are appropriately called Tiger’s claw or Coral trees. The flowers are a deep, rich, red, very striking on the bare trees at this season. They grow in long clusters which radiate horizontally on woody stems from the ends of the branches. Individual flowers break out of the split side of a pointed calyx. Fundamentally of the pea-type, these flowers have one petal much larger than the others, the general effect being that of a pointed claw or feline toe-nail. The leaves, which appear soon after the flowers, are made up of three triangular leaflets. The pod is black and contains dark red seeds. The branches are thorny. This tree is a native of tropical Asia and a member of the legume family. There is a fine specimen growing in the grounds of Iolani Palace which blooms in January or February. Others grow on Punchbowl street near Beretania, and in the grounds of the Central Intermediate School. A closely related tree, which is native to the Hawaiian islands, is called the Wili-wili by the native people. Botanically it is Erythrina monosperma. It grows in dry places on the islands where it is conspicuous for its pale red, orange or yellowish flowers, similar in form to the Indian Tiger’s claw. The bright red seeds of this Wili-wili were made into leis by the Hawaiians, but nowadays most of the red seed-leis are made from the Adenanthera pavonina, known as false Wili-wili. Adenanthera trees, which have unusual, curling pods filled with the bright red seeds, grow in Thomas Square where the seeds may be picked up in the Spring. The wood of the Hawaiian Wili-wili is very light, and so was used for making the outrigger log of canoes. (Plate II) PLUMERIA. GRAVEYARD FLOWER. FRANGIPANI
Plumeria acutifolia Poiret One of the most popular of Hawaiian flower leis is made up of the thick, waxy flowers of the Plumeria. They are particularly successful for this purpose because they remain fresh for a long time and have a fine fragrance. The common name in Hawaii, Plumeria, or, as the lei-women say, Pumeli, is derived from that of Plumier the French botanist, but a mistake was made in spelling it so the genus is now properly designated as Plumeria, not Plumiera. Although this tree is a native of tropical America, it grows in India and in the temple gardens of Ceylon, where it is known by the romantic name of Frangipani. In Honolulu it is extensively planted in cemeteries, from which it is known as the Graveyard flower. The flower varies from almost white to yellow, with yellow centers. Another species with rich, cerise, colored flowers is the Plumeria rubra. These two have crossed and produced a wide range of flowers with pink or peach colorings. One hybrid, of particularly striking apricot color was produced by Gerrit Wilder. A specimen may be seen on Manoa Road near the top of Punahou hill. The Plumeria tree has a few stiff, blunt branches. At their tips, the clusters of flowers appear in early spring, when the tree is still bare, creating a highly picturesque effect. A little later the foliage appears and the tree continues to bloom the rest of the year. The flowers have five, waxy petals joining in a short tube. The leaves, which also cluster toward the tips of the branches, are very long and pointed at each end, hence the name acutifolia. When cut, the stems exude a milky juice. This tree is a member of the Periwinkle family. BE-STILL. YELLOW OLEANDER
Thevetia nereifolia Jussieu A small tree, holding a scattering of trumpet-shaped, yellow flowers and marked by shimmering, narrow, light green leaves, is popularly called the Be-still tree. There seems to be no reason for this name, unless it is that the slender leaves are never still and the name is a sort of invocation. The flowers are a clear, satiny, yellow, with a delightful fragrance. They grow here and there all over the tree, and at all times of the year. A less common variety has pale, orange-colored flowers. The fruit is a nut which is poisonous. Green at first it turns brown, then black. The tree never becomes very large, twenty feet being about its maximum height. It always has a fresh look, even when growing in dry places, due to the light color of the leaves. The slender foliage suggests that of the Oleander (Nerium), accounting for its specific name of nereifolia, and this association also accounts for the common name of Yellow Oleander, which, however, is entirely wrong. The tree is a member of the Periwinkle family and a native of tropical America. (Plate II) AFRICAN TULIP TREE
Spathodea campanulata Beauvois Large, fiery red flowers, like cups of molten metal, crown the high branches of the African tulip tree. This tree differs from many of the flowering trees in Hawaii by producing its flowers all the year round. There is a season in midwinter when they seem to be brightest and most numerous, but this may be due merely to lack of competition. Individual flowers suggest a lopsided cup, with five irregular, frilled lobes. The edges of the corolla are a vivid yellow, and the inside of the cup is yellowish also, with red streaks. The flowers grow in circular masses of closely crowded buds, a few developing at a time, so that the tree seems to be ever-blooming. The flowers grow out of a spathe-like calyx from which is derived the generic name of Spathodea. They are followed by boat-shaped pods, some two feet long, which split open and spill out masses of shining, flaky, winged seeds. The leaves are large and compound in structure, made up of three or four pairs, and an end leaflet. The leaves are dark green in color, leathery and with conspicuous veining. The tree is a member of the Bignonia family and a native of tropical Africa. Specimens grow in Kamanele Park, Manoa. (Plate II) GOLDEN SHOWER TREE
Cassia fistula Linnaeus Immense pendant clusters of large, yellow blossoms, hanging in grapelike bunches among the leaves explain the popular name of the Golden Shower tree. Although the foliage does not fall, the yellow blooms sometimes cover the tree so completely they overwhelm the leaves and make it look as if this tree were the only thing in the landscape which is standing in sunshine, all else being shadowed. Leaves are very large and compound in structure, each leaflet being two to six inches long. The bright, golden, yellow flowers have five petals, clearly veined. Like all the shower trees, which belong to the Pea family, the yellow flowers are built on the general plan of a pea blossom, but the five petals are very nearly of the same size and shape. From the center of the flower project the long curving pistil and some stamens. This pistil develops into a straight, cylindrical, black pod, sometimes three feet in length. It has given the name of Pudding-pipe to the tree in India. This long “pipe” is the Cassia pod of commerce, a cathartic being made out of its sticky brown pulp. The tree is a native of tropical Asia. Golden Shower trees line both sides of Pensacola street between Lunalilo and Wilder avenues. They are at their best in June and July. (Plate III) PINK AND WHITE SHOWER TREE
Cassia javanica Linnaeus
(Cassia nodosa Hamilton)[1] Great feathery masses of unevenly tinted, pink flowers cover this small tree, suggesting in their luxuriance and variable coloring the apple blossoms of the temperate zone. The flowers grow on short branchlets, in what seem to be tufts of reddish stems, the tufts growing out of the main branches so close together these branches are completely enwrapped. The splendid effect of such inflorescence makes the Pink and White Shower tree one of the most important in Hawaii’s annual procession of blossoms. The tree is deciduous and flowers often precede the leaves, but these shortly appear, adding contrast to the total effect, with their fresh green. The leaves are of feather form with many pairs of rounded, medium sized, leaflets. Each flower is made up of five petals, from the center of which grows a tuft of stamens. The calyx and stem is dark red. Each petal is palest pink or white, with deeper pink veinings, giving the name of Pink and White shower. Eventually, too, the pale pink fades adding to the variegated effect. The tree remains in bloom for months, with June as its peak. It never becomes very large and is often quaintly irregular in form. Long, cylindrical, brown, seed pods hang on when flowers and leaves have fallen. It is a native of tropical Asia. This tree is grown widely as a street tree in Honolulu, Piikoi street between Wilder and Lunalilo being a good place to see it. There are, also, some fine specimens along Nuuanu avenue. (Plate III) ORCHID TREE
Bauhinia variegata Linnaeus Exquisite lavender or white orchids, as beautiful as Cattleyas, seem to grow on the small Orchid tree. It is not, however, related to the real orchids, but is a member of the legume family. When covered with pure white flowers the tree is a splendid sight, but the lavender variety, which blooms more sparsely, shows more beauty when the individual flowers are examined. They resemble strikingly the real orchid, with a large main petal marked with purple, and four crepy side-petals. A bunch of white stamens grows from the center. The flowers appear in the cooler months, with spring as the finest season. They are scentless. The leaves of this Bauhinia, as of others, are peculiarly shaped being deeply cleft into two rounded lobes, so that they suggest the wings of a green moth. Insects find the leaves very succulent, so they are usually full of holes, or completely eaten. The tree is a native of India where its bark is used for tanning and dyeing, while its leaves and flower buds are used as a vegetable. (Plate III) A pink-flowering member of the Bauhinia family is called the St. Thomas tree and is Bauhinia monandra. This has similar lobed leaves and pink flowers, both being smaller than on the Orchid tree. The main pink petal is dotted with crimson and the tree is very gay when in bloom. After the flowers fall it hangs full of pods. CORAL SHOWER TREE. PINK SHOWER
Cassia grandis Linnaeus Earliest of the shower trees to bloom is the one which has come to be known in Honolulu as the Coral Shower, or sometimes as the Pink Shower. (But not to be confused with the later-blooming Pink and White Shower.) The Coral Shower flowers during March, April and May, its soft rose color and general appearance somehow suggesting pink coral. In effect this tree is strikingly like the blossoming cherries with loose upright limbs covered with pink flowers. The flower buds are particularly attractive being rounded, velvety balls of delicate, pinkish lavender. The flowers hang in short racemes from the branches completely covering them in good specimens. Like the pink and white they have five petals, but are smaller and more evenly colored. Stamens and pistils project from the center. The leaves follow the first blossoms closely, the new foliage being pinkish. Leaves are pinnate, with the leaflets rather large. The pods are cylindrical and dark brown. Unlike the other showers, which come from Asia, this tree is a native of tropical America. Liholiho street, between Wilder and Lunalilo is bordered with these trees and a fine specimen stands on Punahou campus. (Plate III) RAINBOW SHOWER
Cassia hybrida
(Cassia javanica × Cassia fistula) It probably was inevitable that sooner or later someone should try to cross the Golden Shower with one or the other of the two pinks. Fortunately this first took place some years ago, so that today the many “Rainbow Showers” resulting from this cross may be seen in all their breathtaking loveliness. They are among the most beautiful of all the flowering island trees, and no two are alike, unless propagated by grafting. In general, the inflorescence of these hybrids seems more numerous than on either of the parents, a result, no doubt, of combining the numerous flowers of the Pink and White with the spreading growth of the Golden Shower. At the height of their bloom, some of these trees appear to be almost solid with great fluffy masses of color. Hues vary from palest cream and lemon yellow through all manner of peach and apricot tints to some that are a rosy orange. Flowers of individual trees often hold two tones, resulting in this variety of coloring. This is an effect that is enhanced frequently by the difference between the inside and outside of the petals, the buds being of a different color from the full blown flowers. There is a great difference, also, in the form of individual flowers. There is considerable variation in the blooming period, but on the whole the Rainbow Shower trees come out later than the others, with July and August as the months of greatest bloom. They may be seen on Farrington street between Wilder and Beretania, and there are some fine individual specimens, one on Lunalilo street between Pensacola and Kapiolani, another on Makiki above Nehoa. A fine, clear, yellow flowering tree, sometimes mistaken for a pure Golden Shower, stands in Kamanele Park. (Plate III) YELLOW POINCIANA
Peltophorum inerme Roxburgh A tree with many upright spikes of small, deep-yellow flowers, bright against the greenery of the fine-cut leaves is called the Yellow Poinciana, because it was once classed as a Poinciana. At the same time it is in bloom, it hangs full of reddish-brown pods which are one of its characteristic features. The flowers appear in the late summer and autumn, although there may be a second blooming period at some other time of year. The flower buds are round and covered with brown, velvety down. This same down also covers the young growth and the midrib of the leaves. Individual flowers have five crepe petals of about the same size. The larger, triangular heads of bloom, are made up of smaller clusters. The reddish brown pods which follow the flowers remain on the tree for a long time. They are thin and flat and hold three or four seeds. The leaves are bipinnate, composed of many small rounded leaflets. There is no period when the tree is bare. This tree, a member of the legume family, is a native of Malaya and the East Indies. It grows widely in Honolulu, with several fine specimens in the grounds of Iolani Palace. (Plate III) MONKEYPOD TREE
Samanea saman (Bentham) Merrill Those huge, wide-spreading trees—the largest trees in Honolulu—which in spring and summer are often covered with a thin film of pink flowers, are Monkeypod trees. Stately and massive, with rough, dark bark, the branches of these trees support a rounded canopy of leaves. It is a single layer thick and casts a light shade over an immense area of ground. There is a giant specimen in Moanalua Gardens; others grow in front of the Library of Hawaii, and traffic passes around another great tree in the middle of Vineyard street, near Nuuanu. The flowers are like short tassels made up of tufts of silky, pink stamens. They grow on short stems in bunches near the ends of the branches, and cover the tree lightly during the spring and summer. They are followed by the thick, dark, pods, which hang on the tree until the following spring. Leaves are compound in structure, made up of opposite pairs of pointed leaflets which fold together in the late afternoon. The leaves fall in spring, and, together with the drift of falling flowers, which comes a little later, and the hail of old seed pods, give the Monkeypod the name of being the dirtiest of Hawaii’s trees. Owners who never finish sweeping up under them always remark, however, that the beauty of the giant tree is worth the trouble. This tree is a legume, a native of Central America and the West Indies, where its native name is zaman, from which its scientific name is derived. (Plate IV) BOTTLEBRUSH TREE
Callistemon lanceolatus De Candolle Long, cylindrical spikes of red flowers, very like the round brushes used to clean test tubes or bottles, have given its common name to this tree. The effect is created by tufts of red stamens. In most varieties the flower spikes grow upright, but on some, as shown on Plate IV, they hang in swaying pendants. Their color is a fine, pinkish red, which contrasts strikingly with the greyish green of the foliage. The latter is narrow, pointed and fine. The tree belongs to the Myrtle family and is a native of Australia. It is not yet very common in Hawaii, but examples may be seen on the University of Hawaii campus near Dean Hall. (Plate IV) JACARANDA
Jacaranda ovalifolia R. Brown Since blue is the rarest color in the flower world, a tree which is a mass of blue is something that will hardly be overlooked. Yet the rarity of the blue coloring in the Jacaranda is but little more important than the beauty of the tree as a whole. It becomes a large tree, with light grey bark, and is covered with foliage, each leaf of which is almost as attractive as a fern. These bipinnate leaves are symmetrical in form with many tiny leaflets. They usually fall in late winter and early spring, and the tree is bare for a short time. The flowers, which appear in large, loose, clusters at the ends of the branches, are individually shaped like bells, with two lips, one with two lobes, the other with three. Their color is a soft, lavender blue. The blossoming period is erratic, varying from midwinter to early autumn, but on the whole it is most conspicuous in spring. On individual trees, this blooming period is not very long, but different trees vary as to the season when the flowers appear, so that one may usually be found in flower. The blossoms fall in masses, repeating their color on the ground like a reflection of the tree above. The seed pods are of curious shape, round and rather flat. They have been worn as costume jewelry, when lacquered in gay colors and attached to ribbons. Jacaranda belongs to the Bignonia family and is a native of Brazil, where it got its name. A fine specimen grows on Punahou campus. Others are along Nehoa street, near Makiki, and on Manoa road at Kamehameha avenue, and also on Makiki Heights Road. (Plate IV) CHINESE RICE FLOWER. MAI SUI LAN
Aglaia odorata Loureiro The tiny, round, yellow blossoms of the Chinese Rice flower tree probably suggest rice to the Chinese, although each floweret is considerably smaller than a grain of rice. They occur in clusters of hundreds, near the ends of the branches, each tiny flower a minute yellow ball which looks like a bud, but never opens wide. The blooming period is spring and summer. The tree is rather small, spreading, and very attractive, being covered closely with glossy leaves of compound form. It is a member of the China-berry family and a native of China, from which it was undoubtedly brought directly to Hawaii by some returning traveler. It is still found growing mostly in the gardens of Chinese residents. There is a good specimen in the Mid-Pacific Horticultural Establishment. (Plate IV) WONG LAN
Michelia champaca Linnaeus The intense fragrance and heavy, ivory-colored, waxen quality of the petals, indicates the relationship of the Michelia to the Magnolia family. Brought to Hawaii by the Chinese, it is still a great favorite with them. Older women wear a blossom in their hair, like a bit of carved ivory, and men may slip a few buds into their shirt pocket where the fragrance can be enjoyed. The pointed buds, about two inches long, grow upright in leaf axils near the ends of the branches. Each is encased in a “nightcap” type of calyx, which slips off as the flower opens. The narrow waxen petals are numerous and grow around the greenish pistil. The flowers are rather inconspicuous but easily found by the scent, which is heavy, sweet and rather musky. The tree grows upright and never attains great size. Its leaves are glossy, leathery, rather pointed and about eight inches in length. (Plate IV) BOMBAX
Bombax ellipticum Humboldt, Bonpland and Kunth A Bombax tree growing in the Queen’s Hospital grounds presents such a striking appearance when blooming that it has become almost as well known as the Gold tree on School street. Unlike the latter, however, which blooms at erratic times, the Bombax can be depended on to put out its blossoms in March and April. They appear on the bare tree, a few at a time, suggesting a bunch of pink egret plumes. The bud, growing upright on the bare branch, is like a stubby cigar, rising from the calyx which is like the cup of an acorn. The bud splits into five parts, which peel backward like a banana, and curl into a spiral. These are the petals, purplish brown outside, silky white within. The conspicuous part of the flower is the great pompon of pink stamens, an exploding rocket of color. The stamens are about five inches long. Except when in bloom the tree is inconspicuous. Its foliage is made up of five radiating leaflets. The tree is a native of South America and a member of the Bombax family. The species is said to produce pods in which the seeds are embedded in a cotton wool. It is, indeed, closely related to the Kapok tree which produces the kapok of commerce. (For an example of this tree, Ceiba pentandra, see the Foster gardens.) But in Honolulu the single specimen of Bombax has never produced seeds nor has it been propagated by other means, so that the tree in Queen’s Hospital grounds has no rivals in interest although others are known to be growing in the Islands. (Plate IV)
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