Stem climbing, much branched, glabrous; leaves thinly coriaceous, glabrous; petiole 1/2-2/3 lin. long; blade 2/3-1 1/2 in. long, 3/4-2 1/4 lin. (1 1/2-4 lin. ex Schlechter) broad, linear, linear-lanceolate or linear-oblong, obtuse or acute at the apex, cuneate or rounded at the base; flowers usually in 2-flowered cymes, occasionally solitary, sub-axillary or terminal; peduncle 0-2 lin. long, glabrous; bracts minute; pedicels 1 1/3-2 1/2 lin. long, glabrous; sepals about 1/2 lin. long and broad, suborbicular, very obtuse, glabrous; corolla campanulate, quite glabrous, apparently white or yellowish; tube rather more than 3/4 lin. long, faintly narrowed upwards; lobes suberect, 2/3-3/4 lin. long, oblong, obtuse, alternating with minute pocket-like flaps at the sinuses; corona-lobes fleshy, ovate, subacute, entirely adnate to the basal half of the 2/3 lin. long staminal column; anther-appendages erect, connate into a ring around the base of the beak-like style-apex, which is exserted 1/4 lin. beyond them.
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