Climbers to 8 m tall, most parts fulvous pubescent. Branches lenticellate and glabrous with age. Petiole ca. 1.5 cm; leaf blade obovate, obovate-oblong, or sometimes elliptic, 3-13(-25) × 2-5.5(-8) cm, papery, abaxially fulvous pubescent, adaxially glabrous except for fulvous pubescence on midvein, secondary veins 13-20 on each side of midvein and adaxially impressed, base broadly cuneate to sometimes rounded, apex rounded to retuse. Inflorescences extra-axillary, in glomerules, 2-5-flowered; peduncle to 6 mm; bracts ovate, ca. 1 × 1 mm. Pedicel bracteolate between base and middle. Sepals broadly triangular, ca. 5 × 3 mm. Outer petals ovate, ca. 10 × 6 mm, outside puberulent; inner petals oblong, ca. 6 × 2 mm, outside puberulent, inside glabrous. Stamens oblong; connectives obliquely 3-angular. Carpels oblong-lanceolate, densely sericeous-villous; ovules ca. 10 per carpel, in 2 series; stigmas apically entire. Fruiting pedicel ca. 2 cm; monocarps oblong, ca. 4 × 2 cm, densely brown tomentose. Seeds shiny black, oblong, ca. 5 mm in diam. Fl. Jul-Oct, fr. Oct-May.
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