|Solanum japonense, a
perennial lianous herb, inhabits forest edges in mountainous regions
with no hairs on stems. Leaves are of alternate phyllotaxis, in the
shape of an ovate-oblong, margins entire; lower leaves are cleft in
3-5 segments. Flowers, light purple, come in cymous inflorescences
borne from leaf axils; corollas, being cleft in four deep, as large
as 1cm in diameter, the segments significantly bend backward. Fruit
is spherical, ripen red. Bloom time: July-September.