Family: Cleomaceae
rough-seed clammy-weed
[Cleome dodecandra L.]
from USDA Plants website
Etymology: Polanisia: from poly for "many" and ansos for "unequal," referring to how this differs from the stamens in Cleome
Plants: erect, annual, 8"-20" tall forb, with sticky hairs and unpleasant odor
Leaves: 3-parted, on stalks about the same length as the leaf blade
Flowers: white to pinkish, 4-parted, 1/4" long, irregular-shaped with long claws, the side petals longest, stamens much longer than the petals; inflorescence a terminal cluster (raceme) of many, stalked flowers; blooms July-Sept.
Fruits: long, pea-like capsule, mostly stalkless, erect, slightly hairy, sticky
Habitat: disturbed sites, stream sides; in gravelly, sandy soil
Conservation Status: Native
Plants: erect, annual, 8"-20" tall forb, with sticky hairs and unpleasant odor
Leaves: 3-parted, on stalks about the same length as the leaf blade
Flowers: white to pinkish, 4-parted, 1/4" long, irregular-shaped with long claws, the side petals longest, stamens much longer than the petals; inflorescence a terminal cluster (raceme) of many, stalked flowers; blooms July-Sept.
Fruits: long, pea-like capsule, mostly stalkless, erect, slightly hairy, sticky
Habitat: disturbed sites, stream sides; in gravelly, sandy soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 2, Wetland Indicator = UPL* USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Robert W. Freckmann
Emmet J. Judziewicz
Robert W. Freckmann
Emmet J. Judziewicz
Merel R. Black
Merel R. Black
Robert H. Read
Robert W. Freckmann