Climber, reported to 8 m high but probably can grow higher. Branchlets sparsely lenticellate or not; densely brown pubescent, becoming less densely so with age. Leaves: petiole 4-7 mm long, sparsely to densely pubescent; blade elliptic, 2.3-13 by 0.6-5.1 cm, 2.1-6.2 times as long as wide, apex acuminate with a sharp tip, base cuneate to rounded, 9-14 pairs of secondary veins, tertiary venation subperpendicular to mirib and/or laxly reticulate. Inflorescence of terminal and axillary umbelliform cymes, 3.8-7 cm long; peduncle 0.3-2.2 cm long, densely brown pubescent; pedicels 1.5-4.7 mm long, densely brown pubescent. Sepals narrowly ovate, 2-5 by 0.8-1.9 mm, 1.8-3.8 times as long as wide, apex acuminate, densely brown pubescent, colleters absent inside. Corolla white, reported on one specimen as yellow in throat; tube 15.5-38 by 2.2-3 mm, 6.2-12.9 times as long as sepals, 2.2-4.5 times as long as lobes, densely pubescent outside, glabrous at very base and then sparsely to densely pubescent towards upper half of tube inside, villous in throat; lobes 6-14 by 3.3-8.1 mm, 1.6-2.6 times as long as wide, falcate with a sharp projection on one side, densely pubescent on part of lobes exposed in bud outside, glabrous inside. Stamens inserted at 2.5-4.2 mm from corolla base which is 0.1-0.2 of tube length in rehydrated flowers; filaments 0.6-1.2 mm long; anthers 5.5-6.5 by 0.8-1 mm. Disk a ring with a crenate margin, 0.6-1.1 mm high. Ovaries semi-inferior, 0.9-1.3 mm high, sparsely to densely pubescent; style 2.5-3.7 mm long; style head 2-3.1 mm long. Fruit linear or slightly torulose, 16.5-30 cm by 3.5-5.5 mm, densely to sparsely pubescent. Seeds not seen.
Home