Kummerowia stipulacea (Maxim.) Makino

Herbs, prostrate, ascending, or erect. Stem and branches with sparse upward-pointing white hairs. Stipules ovate, 3-8 mm, longer than petiole or sometimes nearly equal, shortly cili­ate; petiole short; leaflets obovate or broadly obovate, terminal one 0.5-1.8 cm × 3-12 mm, base cuneate, apex emarginate or nearly truncate. Flowers 1 or 2, axillary. Pedicel hairy. Calyx broadly campanulate; standard elliptic, shorter than keel, base attenuate, clawed, apex emarginate; wings narrowly lanceolate, nearly equal to standard; keel obtuse, with dark purple spots adaxially, intermixed with apetalous flowers. Legume ovoid or elliptic, ca. 3 mm, usually 2.5-3 × as long as calyx, slightly compressed. Fl. Jul-Aug, fr. Aug-Oct. 2n = 20, 22*.

Waste ground and roadsides in C. and S. Japan. Roadsides, grasslands, mountain slopes, stable or semi-stable sand dunes at elevations of 100--1200 metres in China.

Can be grown by seedlings. Seeds needs soaking.