an erect or ascending herb, pubescent or more or less pilose, loosely branched, a ft. high or more; root apparently perennial (except the variety); stem and branches tetragonous, furrowed and striate; internodes mostly rather longer than the leaves; leaves opposite or the upper floral alternate, ovate, obtuse or apiculate or the floral acute at the apex, broad near the base, membranous, thinly pubescent or nearly glabrate, dentate-serrate, shortly petiolate, 1–2 in. long, 2/3–1 1/2 in. broad, or the floral smaller; petioles ranging up to 1/2 in. long; flowers axillary or the upper quasi-racemose, arranged in terminal several- or few-flowered leafy and bracteate rather lax racemes; peduncles and pedicels 1-flowered, slender, inserted in the axils of floral leaves and bracts, 1/3– 5/6 in. long, pilose or nearly glabrous; bracts alternate, together with the floral leaves gradually smaller towards the top of the racemes; calyx-segments lanceolate or sublinear, acute or subacute, pilose or subglabrous, shortly ciliolate, 1/10– 1/5 in. long; corolla-lips about 1/6 in. long or shorter; spur conical-prolonged, obtuse, about 1/8 in. long or shorter; capsule broadly ovate-oblong, truncate and emarginate at the apex, nearly glabrous, slightly narrower towards the apex and slightly or scarcely broader again at the apex, somewhat 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; valves with their outer top corners rounded or scarcely horned. null
