Photographer: Merel R. Black
Helianthus strumosus L.
pale-leaved woodland sunflower, rough-leaved sunflower
Helianthus: derived from two Greek words helios, "sun," and anthos, "flower," in reference to the sunflower's supposed tendency to always turn toward the sun
strumosus: Latin for "swelling" or "tumor"
|Plant: ||erect, perennial, 2'-6' tall forb; stems smooth below the inflorescence but often with a whitish fuzz|
|Flower: ||head 1 1/2" - 4" wide, 8-15 yellow rays, disk yellow; unequal bracts (phyllaries) usually the same or slightly longer than the disk, pointed, and slightly spreading; blooms July-Sept.|
|Leaf:||lower mostly opposite, upper becoming alternate; usually widely lance-like to narrowly oval, thick, firm, upper side rough to fuzzy, lower side fuzzy, short winged stalk, shallow or no teeth |
|Habitat: ||full to partial sun; dry to moderate moisture; woods; in sandy, loamy soil|