an annual herb, glabrous or the young parts glandular-puberulous; stem rather weak, erect or ascending, 6–14 in. high, throwing off from the base decumbent or ascending branches 4–16 in. long or more, simple or branched above; leaves opposite, ovate or oval, obtuse or acute at the apex, cordate or subtruncate at the base, cuneate-serrate or dentate, rather thinly membranous, 1/4–1 3/4 in. long, 1/20–1 in. broad, the upper subsessile, the lower petioles ranging up 2/3 in. long; racemes terminal, many-flowered, simple, rather dense or elongated; pedicels slender, glandular-puberulous, the lower 1/3–1 1/4 in. long, the upper shorter; bracts ovate, pointed, cordate, sessile, smaller than the leaves, spreading or recurving; calyx-segments ovate or elliptical, obtuse or subacute, not acuminate, glandular-puberulous, about 1/12 in. long; corolla about 1/2 in. broad, with two very short pouches; filaments linear, flattened, densely shaggy; capsules ovoid-oblong, 1/4– 1/3 in. long, 1/8 in. broad. null