an erect or ascending herb, 4–18 in. high, viscid-pubescent or woolly with long pallid hairs, loosely branched from the base upwards; root annual or perhaps perennial; stems and branches tetragonous, sulcate and striate, leafy; leaves opposite, ovate, obtuse or the upper subacute, rounded at or near the base or the lower abruptly wedge-shaped, pubescent or nearly glabrous, crenate-serrate or serrate-dentate, membranous, 1/2–2 in. long, 1/4–1 1/2 in. broad, the upper sessile, the lower shortly petiolate; petioles ranging up to 1/3 in. long; flowers axillary or the upper quasi-racemose, arranged in terminal several- or few-flowered leafy and bracteate racemes; peduncles and pedicels 1-flowered, slender, 1/3– 2/3 in. long, axillary or bracteate at the base; bracts gradually smaller than the leaves; calyx-segments narrowly elliptical or sublinear, subacute or minutely apiculate, 1/10– 1/5 in. long; corolla white with a few violet veins; lips 1/5– 1/3 in. long; upper corolla-lobes oblong, obtuse; spur 1/8– 1/6 in. long, narrow, obtuse, straight; lower lip obovate, rounded; palate glandular-pubescent, with two protuberances; capsules ovate-oblong, very broadly excised at the apex, not horned, unequal at the base, one side rounded, the other slightly narrowed towards the base, 1/4– 1/3 in. long, 1/6– 1/4 in. broad; seeds winged, 1/16 in. long and broad. null
