Lianas; branchlets light gray, subcylindric, glabrous, inter-nodes slightly dilated, lenticellate; lenticels thick, rounded, coarse. Petiole ca. 5 mm, grooved; leaf blade elliptic, 3-5 × 2.5-3.5 cm, papery, not shiny, base rounded, margin cartilaginous, sinuate, apex subacute; lateral veins 5 or 6 pairs, reticulate veins conspicuous. Cymes axillary or terminal; bracts deltoid, farinose, pubescent, margin ciliolate; peduncle slender, glabrescent, 8-10 mm; pedicel 1.5-3 mm, farinose, pubescent. Sepals deltoid, ca. 1 × 1.2 mm, densely farinose, pubescent; petals lanceolate, 5-6 mm, apex acuminate, abaxially farinose, pubescent, margin ciliolate. Disk fleshy, cupular, base pentagonous. Ovary 3-loculed, concealed in disk; style columnar. Fruits 3-fascicled capsules, peduncle dilated, exocarp grooved; capsule elliptic, ca. 4 × 2 cm. Fr. Jan.
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