an erect herb, annual, glabrous below, somewhat pilose above, shining, pallid, branched from the base or nearly simple, 6–15 in. high; stem and branches tetragonous, smooth; upper internodes rather longer than the leaves; leaves opposite, ovate or oval or the uppermost sublanceolate, obtuse or rounded at the apex, subtruncate at the sessile or subsessile base or the lower shortly petiolate, glabrous, moderately dentate or denticulate or subentire, 1/4–1 2/3 in. long, 1/24– 2/3 in. broad; racemes rather lax, subcorymbose or oblong, several- or many-flowered, 1–5 in. long; bracts alternate, mostly smaller than the leaves, sessile; pedicels inserted in the axils of the bracts, 1/4– 7/8 in. long, slender, shortly pilose; calyx-segments broadly linear or somewhat lanceolate, obtuse, puberulous, 1/10– 1/6 in. long; corolla whitish; upper corolla-lobes oblong, rounded at the apex, 1/8– 1/6 in. long; lower lip bilobed, 1/5– 1/4 in. long; mouth closed; palate convex, shortly bearded; spur conical-prolonged, obtuse, nearly straight, sparingly pilose or nearly glabrous, 1/5 in. long; capsules obovate-oblong, rather obliquely ovoid at the base, broadly notched and not horned at the apex, each valve obliquely truncate at the apex, 1/3– 3/8 in. long. null
