a weak herb, apparently annual; stems or branches prostrate and often rooting below, ascending above, moderately leafy, pubescent and minutely glandular, pubescence whitish, not evenly distributed all round the stems and branches; leaves opposite (except those at the rooting nodes and the floral ones), rotund-ovate, obtuse, abruptly narrowed, subtruncate, subcordate or even subreniform at the petiolate base, thinly herbaceous, minutely glandular and sparingly pubescent on both faces, feebly 5-nerved and few-veined, rather deeply cuneate-serrate, 3/8– 1/2 in. long, 1/3– 1/2 in. broad; petioles mostly 1/12– 1/4 in. long, pubescent; lower internodes exceeding the leaves, the upper shorter; peduncles rather slender, densely pubescent, 5/8–1 in. long, suberect in flower, spreading in fruit, alternate, solitary in the upper axils; flowering calyx about 1/6 in. long, deeply 4-lobed, rather widely spreading, densely pubescent about the base; segments oval-ovate, obtuse, ciliolate, puberulous, somewhat unequal, 1/8– 1/6 in. long by 1/15– 1/10 in. broad in flower, 1/5– 1/4 in. long by 1/10– 1/8 in. broad in fruit, feebly 3-nerved; corolla about 3/8 in. in diam., veined, rotate, 3 of the segments oval-rotund, the fourth oval; fruit about 1/6 in. long, compressed, 1/4 in. broad, broadly notched at the apex, veined, ciliolate. null
