stem branching, twining, woody; branches 1/2–1 lin. thick, at first very minutely puberulous, becoming glabrous; leaves subcoriaceous, very minutely puberulous; petiole 1/2–1 lin. long; blade 6–11 lin. long, 1 1/4–2 1/2 lin. broad, linear-hastate, acute; cymes subaxillary, 3–5-flowered; peduncle 1/2–2 1/2 lin. long, puberulous; bracts 1–1 1/2 lin. long, subulate; pedicels 1 1/2–3 lin. long; sepals 3–3 1/4 lin. long, 3/4 lin. broad, narrowly lanceolate, acuminate, erect, thinly puberulous; corolla tubular, slightly enlarged below, 5-angled, glabrous outside, red; tube 3 1/2 lin. long, inside with 5 tufts of yellowish, deflexed hairs below the middle; lobes spirally connivent-erect, 1 lin. long, 1/2 lin. broad at the base, deltoid-lanceolate, laterally compressed, with gibbosities at the base of their lobes which gradually taper to their acute tips, pubescent inside, green; corona-tubercles small, obtuse, placed at the level of the middle of the tufts of hairs; staminal column 2 lin. long, 5-spurred at the middle; filament part subcylindric. null
