Humulus lupulus L.
Family: Cannabaceae
common hop, hop
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Robert W. Freckmann  
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
Humulus lupulus image
Robert W. Freckmann  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
from USDA Plants website  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Dennis W. Woodland  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Steve C. Garske  
Humulus lupulus image
Kurt Stüber  
Humulus lupulus image
Botanical Illustration  
Humulus lupulus image
Botanical Illustration  
Humulus lupulus image
Botanical Illustration  
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image
Humulus lupulus image