Mikania scandens
climbing hempvine, climbing hempweed, climbing hemp-weed, climbing hemp weed
Family
Asteraceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Margin
entire, repand
Leaf Type
simple
Leaf Shape
ovate, triangular
Growth Form
forb, vine
Flower Color
pink, white
Flower Month
July
Height (meters)
2.5 - 5.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Warm season
Wetland Class
FACW
Wetland Coefficient of Conservatism
3
Prairie Coefficient of Conservatism
1
Field Characters
Similar to M. cordifolia in many features but is smooth with no hairs and has relatively smaller leaves and heads. Its leaves more commonly subentire or undulate, acuminate, and less than 8 cm long by 6 cm wide (those of M cordifolia are 12 cm long). opposite, heart-shaped leaves with 3 prominent veins and toothed edges. White flowers in dense heads. 4-sided stem.
Natural History
A weed of agricultural fields, fence rows and forest edges.
Habitat
Climbs on bushes in moist places, woods, thickets, marshes, bogs, river, wet habitats.