Etymology: Humulus: Latin name of uncertain origin, may have descended from Low German word humela, hop; which is the common name of this genus placed by Munz in the Moraceae or mulberry family, but moved by Jepson along with Cannabis into the new family Cannabaceae.
Plants: twining, perennial, up to 30' tall, herbaceous vine
Leaves: opposite, stalk shorter than the leaf blade; main leaves 3-lobed, as wide as long, and with a heart-shaped base
Flowers: green, 5-parted; inflorescence branched clusters from the leaf axils, male flowers loosely arranged, female more compact and fewer; blooms July-Aug.
Fruits: sepals overlapping the dry seed
Habitat: moist; disturbed sites, woods, fencerows
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 3, Wetland Indicator = FACU* USDA Plants Database: Federal Distribution and detailed information including photos Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Purple Sage - Ethnobotanical Information: Detailed usage, preparation, and other helpful information Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"