Lianas, moderately to densely pubescent, especially on the younger parts, the hairs uniseriate, white to brown. Leaves opposite, glandular along the mid-rib, elliptic to oblong-obovate, acuminate, auriculate basally, to 13 cm long and 7 cm wide, membranaceous, sparsely pubescent above and the hairs ? straight, more densely pubescent beneath and the hairs curved; petioles 1-3.5 cm long. Inflorescences racemose, axillary, 5-10(-17) cm long. Flowers with the pedicels 2-5 mm long; bracts elongate-rhomboid, pubescent, chartaceous, 8-15 mm long; calyx-lobes ? equal, ? lanceolate, pubescent, ca. 8-10 mm long, each with a single oppositely placed squamella; corolla infundibuliform, weakly arcuate, yel-low with a red or maroon throat, pubescent externally, especially in bud, the tube proper 25-32 mm long, pubescent within, the throat conic, 18-20 mm
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long, the lobes ? obliquely dolabriform, 12-16 mm long and 9-12 mm wide, slightly spreading; stamens included, attached at the base of the corolla throat, the anthers ca. 2.5 mm long, the connective obtusely 2-lobed; nectaries con-crescent, almost as high as the ovary, the stigma conspicuously umbraculiform. Follicles moniliform, terete, pubescent, to 15 cm long; seeds somewhat canalic-ulate, 10-1 1 mm long.
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