Mikania micrantha is a tropical plant in the Asteraceae; known as bitter vine, climbing hemp vine, or American rope. It is also sometimes called mile-a-minute vine. Mikania micrantha has ribbed stems that grow up to 6 metres (20 ft) in length with 4–13-centimetre (1.6–5.1 in) long leaves that have a heart-shaped base and a pointed apex. 4.5–6.0-millimetre (0.18–0.24 in) white flowers grow in clusters.
