Vincetoxicum macranthum var. sublanceolatum("Kobanokamomezuru")
Japanese name: コバノカモメヅル（小葉鴎蔓） Scientific name:Vincetoxicum macranthum var. sublanceolatum
[Overview]
A climbing perennial found in damp grasslands and on paddy ridges.
The stem twines around other plants and grows long.
The stem is hairy.
Leaves are simple and opposite, triangular-lanceolate, 3–11 cm long and 1–2.5 cm wide, with entire margins.
The petiole is 0.7–1.5 cm.
Cymes arise in the leaf axils and bear two to several flowers sparsely.
The flowers are star-shaped, 1–1.5 cm across, and dark purple.
The corona is half the height of the stamens.
The fruit is a follicle 5–7 cm long and 0.6–0.7 cm wide, which splits when ripe and releases seeds with long white hairs.
