a puny herb, social; root fibrous; stem slender, tetragonous, slightly scabrid below, glabrous above, 1–2 in. high; radical leaves several, linear-spathulate, obtuse, attenuate at the shortly petiolate base, about 1/4– 1/3 in. long, minutely puberulous below; stem-leaves opposite, narrowly spathulate, glabrous, entire or repand, 1/8– 1/6 in. long, 1/30– 1/25 in. broad; internodes 1/8– 1/5 in. long; peduncles 2 or 3 times as long as the stem-leaves; calyx narrowly turbinate, about 1/6– 1/5 in. long; teeth short, acute, pilose at the apex and margins with white hairs; about 1/25 in. long; corolla-tube about 1/4 in. long; upper lip very shortly bilobed, nearly 1/8 in. long; lower lip 3-lobed, 1/5 in. long; lobes obovate, about equally long, pilose at the base, 1/10 in. long and broad; upper stamens reaching the middle of the upper corolla-lip; staminodes minute, slightly curved; ovary oblong, acute, about 1/5 in. long; seeds narrowly oval, dusky-brown, marked with longitudinal and weak transverse furrows. null