Lianas to 5 m. Branchlets lenticellate. Petiole 5-10 mm, puberulent; leaf blade elliptic to elliptic-oblong, 4-9.5 × 1.5-4 cm, glabrous or puberulent, base cuneate, apex acute or short acuminate; lateral veins 5 or 6 pairs. Cymes up to as long as petiole, 5-8-flowered. Sepals oblong, ca. 3 × 1.5 mm, puberulent, basal glands 5 or 6 or absent. Corolla yellow-white; tube as long as calyx, interior with longitudinal bandsof stiff hairs with or without appendages at apex, included; lobes oblong, ca. 2 × 1.5 mm. Stigma head dome-shaped, included. Follicles cylindric, ca. 8 × 1.5 cm. Seeds ovate, ca. 1.4 cm × 6 mm, flat; coma ca. 3 cm. Fl. Mar-Apr, fr. Jun-Oct.
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