Helianthus californicus (California Sunflower) is an erect perennial herb with a thin, up to 10 feet (3 cm) tall stem. Leaves are lance…
Browsing: Helianthus
Helianthus is a genus of plants comprising about 70 species in the family Asteraceae. Except for three species in South America, all Helianthus species are native to North America.
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Helianthus agrestis (Southeastern Sunflower) is an annual herb that grows up to 6 feet (1.8 m) tall. One plant can have up to 15 flower…
Helianthus angustifolius (Swamp Sunflower) is a perennial herb that grows up to 5 feet (1.5 m) tall. It is often cultivated for its bright…
Helianthus annuus (Sunflower) is an annual herb with an erect, unbranched, rough-soft-hairy stem that grows up to 10 feet (3 m) tall …