stem twining, unifariously puberulous; leaves herbaceous, very thinly and shortly pubescent on both sides; petiole 1/2–1 in. long; blade 1 1/2–2 1/2 in. long, 1/2–1 in. broad at the base, or perhaps larger, rather narrowly elongated deltoid-cordate or cordate-lanceolate, acute or acuminate; peduncle moderately stout, 1–2 3/4 in. long, bearing 2 distant umbels, with or without a third one at its base, puberulous along one side; umbels 8–24-flowered, somewhat flat-topped; pedicels 5–9 lin. long, glabrous, all more or less incurved; sepals 1–1 1/2 lin. long, subulate or subulate-lanceolate, glabrous; corolla-tube 3 1/2–4 lin. long, globose-inflated at the base, glabrous, apparently pale yellowish or whitish; lobes connivent-erect, 3 1/2–4 lin. long, attenuate-linear, glabrous, drying dark brown; outer corona-lobes radiately spreading, 1/3 lin. long, 1/2 lin. broad at the base, narrowly deltoid or deltoid-ovate, obtuse, subtruncate or minutely notched at the apex, concave-channelled down the face, without any teeth alternating with them; inner corona-lobes linear or linear-subulate, acute or obtuse, nearly as long as the anthers and closely applied to their backs. null
