叶苞繁缕(原变种) ye bao fan lu (yuan bian zhong)

Leaves sessile, ovate-lanceolate or lanceolate, 5--15(--20) × 2--4 mm, midvein conspicuously raised abaxially, base nearly rounded or cuneate, apex acuminate. Capsule ellipsoid, 2.5--3 × as long as persistent sepals, 6-valved. Seeds brown, compressed globose, ca. 1 mm in diam., tuberculate. Fl. May--Jun, fr. Jun--Aug. 2n = 26.

River banks, meadows, fields. Nei Mongol [Japan, Kazakhstan, Mongolia, Russia; Europe, North America].