Stem twining, slender, unifariously puberulous; leaves herbaceous; petiole 1-3 in. long; blade 1 1/2-3 3/4 in. long, 7/8-2 in. broad, ovate, acuminate, deeply cordate, with a broad-based open sinus and rounded lobes at the base, sprinkled with very minute hairs above, glabrous and paler beneath; peduncles 3/4-2 in. long, lateral at the nodes, glabrous, or puberulous on one side, bearing 1 or 2 distant fascicles of 4-6 flowers; pedicels very slender, 5/6-1 in. (or in fruit 1 1/4 in.) long, glabrous; sepals 3/4 lin. long, lanceolate, acuminate, glabrous; corolla-tube cupular, about 3/4 lin. deep and 1 3/4 lin. in diam., slightly contracted at the mouth, where it is thinly fringed with long very fine hairs, which are crumpled up in dried flowers and invisible when wetted; lobes about 1 1/2 lin. long, 1 lin. broad at the base, somewhat deltoid-ovate, acute, glabrous on both sides; outer corona-lobes about 1/6 lin. long, subquadrate, deeply concave, emarginate or bifid, fleshy, dark purple-brown; inner corona-lobes about 1/4 lin. long, oblong, obtuse, adnate at the basal half to the stamens and dorsally to the basal margins of the outer corona-lobes, free above, incurved-ascending and closely applied to the backs of the anthers, but not or very slightly produced beyond them, purple-brown; young follicles linear-terete, hooked at the apex, glabrous, in the examples seen 2 3/4 in. long, 3/4 lin. thick.
Home