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.
Click on the photo or the name of the plant for which you wish to see further information.
Back to Browse Flowering Plants by Genus.
You can also browse flowering plants by Scientific Name, Common Name, Family, USDA Hardiness Zone or Origin.
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 …