(n.) Any plant of the genus Helianthus; -- so called probably from the form and color of its flower, which is large disk with yellow rays. The commonly cultivated sunflower is Helianthus annuus, a native of America.

Chinese lantern Christmas rose Eglantine acacia advance androecium anther arrowhead asiaticism aster attain majority axiom azalea batten bead bear fruit bejewel beribbon bespangle best bleeding heart bloom blossom blow bluebell boom broom bud budding burgeon burgeoning buttercup cactus calendula calyx camellia carnation carpel center champion choice chosen chrysanthemum cineraria clematis clethra cockscomb columbine come of age come out come to maturity core cornel cornflower corolla corolla tube corona cosmos cowslip cream crocus cyclamen daffodil dahlia daisy dandelion delphinium develop device diamond dogwood duckweed edelweiss effloresce efflorescence elect elite elixir engrave epicalyx essence essential euphuism evolute evolve fat fatten feather figurative language figurativeness figure figure of speech filigree finest flag flax fledge fleur-de-lis floret floriculture floridity floscule flounce flourish floweret flowery style focus forget-me-not forsythia foxglove foxtail fuchsia fundamental gardenia gardening garland gem gentility gentry geranium germination gist gravamen groundsel grow grow fat grow up growth gynoecium hawthorn heart heather hibiscus honeysuckle horehound horticulture hortorium hyacinth hydrangea hypostasis illuminate image imagery impatience indigo inner essence iris jasmine jewel jonquil kernel lavender leave the nest lilac lily lobelia lotus lupine luxuriation magnolia mallow manner of speaking marigold marrow marsh marigold marshmallow maturate mature mayflower meat megasporophyll mellow microsporophyll mignonette moccasin flower mock orange monkshood motherwort myrtle narcissus nonesuch nonliterality nonliteralness nonpareil nub nucleus nuts and bolts oleander open optimum orchid ornament oxalis paint pansy paragon peony perianth periwinkle petal phlox pick pink pistil pith plume poppy postulate posy pride prime primrose principle prize progress pullulation purple passage quality queen quid quiddity quintessence ranunculus reach manhood reach twenty-one reach voting age receptacle resurrection plant rhododendron ribbon ripen rose sap season select settle down shoot shooting star snapdragon snowball snowberry snowdrop society soul spangle spiraea spirit spray sprouting stamen stigma stock strawflower stuff