Slender erect annuals, simple or slightly branched, 8-18 cm high; stems wing-angled, glabrous. Leaves nearly all in whorls of 3, occasionally the uppermost opposite or alternate, oval to obovate, mucronate at the acutish apex, cuneate basally, 1-nerved, glabrous, 4-16 mm long, 3-5 mm wide, sessile or subsessile. Racemes cylindric, very dense, slightly comose apically, 1-4 cm long, 8-1 1 mm wide, the peduncle very short, to 12 mm long; bracts linear-lanceolate, subulate, 2-3 mm long. Flowers pink, subsessile; sepals lanceolate, acuminate, 1.5-2.4 mm long; wings oval to suborbicular, mucronate at the rounded apex, cuneate-rounded basally, ca 3-nerved, 3-4.6 mm long, 1.8-3.2 mm wide; upper petals oblong to obovate-oblong, rounded apically, ca equaling the keel; keel 1.8-2 mm long, the crest 6-9-lobed, the lobes 0.3-0.6 mm long; staminal tube glabrous inside, the filaments 0.4-0.8 mm long; ovary ovoid to almost orbicular, 0.5-0.9 mm long, 0.4-0.6 mm wide, the style ascendent, 0.4-0.6 mm long, developed distally into a navicular cavity, the apical end of which has a tuft of hairs, the inner end a globose, sessile stigma. Capsules orbicular to orbicular-ovoid, 1.2-1.4 mm long, 1-1.2 mm wide; seeds (Fig. 1k) ellipsoid, 1.2-1.3 mm long, sparsely short-pubescent; aril corneous above, the 2 lobes narrowly oblong, appressed, 0.6-0.9 mm long.
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