helicteres isora
- n East Indian shrub often cultivated for its hairy leaves and orange-red flowers
helianthus
- n any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
helianthus angustifolius
- n sunflower of eastern North America having narrow leaves and found in bogs
helianthus annuus
- n annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America
helianthus giganteus
- n very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
helianthus laetiflorus
- n tall rough-leaved perennial with a few large flower heads; central United States
helianthus maximilianii
- n tall perennial of central United States to Canada having golden-yellow flowers
helianthus petiolaris
- n similar to the common sunflower with slender usually branching stems common in central United States
helianthus tuberosus
- n tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
helichrysum
- n large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
helichrysum bracteatum
- n Australian plant naturalized in Spain having flowers of lemon yellow to deep gold; the frequent choice of those who love dried flowers
helichrysum secundiflorum
- n shrub with white woolly branches and woolly leaves having fragrant flowers forming long sprays; flowers suitable for drying; sometimes placed in genus Helichrysum