Hypericum oliganthum
is a perennial herb inhabiting sunny, damp places like paths between
paddies. A few each crowding, stems are columnar, and there are two
ridges on upper parts, branch well, crawl to extend, then get up at
the upper legs. Leaves, of simple leaves, of opposite phyllotaxis,
0.8-2.5cm in length, 0.3-0.9cm in width, in the shape of long oblong
to oblanceolate, generally visible are many pale glands on the
surfaces dark glands on the margins. Branch tops bear cymes in which
1-7 1-1.5cm-across yellow 5-petaled flowers bloom. There are about
20-30 stamens inside. Bloom time: August-October. |