Family: Asteraceae
pale-leaved woodland sunflower, rough-leaved sunflower
[Helianthus montanus E.Watson, more...]
Merel R. Black
Merel R. Black
University of Wisconsin - Madison (WIS-VP)
Etymology: 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
Plants: erect, perennial, 2'-6' tall forb; stems smooth below the inflorescence but often with a whitish fuzz
Leaves: 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
Flowers: 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.
Habitat: full to partial sun; dry to moderate moisture; woods; in sandy, loamy soil
Conservation Status: Native
Plants: erect, perennial, 2'-6' tall forb; stems smooth below the inflorescence but often with a whitish fuzz
Leaves: 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
Flowers: 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.
Habitat: full to partial sun; dry to moderate moisture; woods; in sandy, loamy soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 4 Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.
Merel R. Black
Paul Drobot
Paul Drobot
Thomas Givnish
Paul Drobot
Paul Drobot
Merel R. Black
Thomas Givnish
Botanical Illustration
