Stems twining, densely tomentose as are the petioles and the inflorescences, with light fulvous hairs. Leaves elliptic or sometimes ovate-ellptic, 8-16 by 4-10 cm, base rounded, apex shortly acuminate, or obtuse with a short acumen, thinly coriaceous, glabrous above or slightly hairy on the midrib, short-pilose to tomentose beneath, more densely so on the nerves; midrib and 7-9 nerves on either side prominent beneath; petiole short and stout, up to 5 cm. Peduncles axillary, slender, terete, 8-15 cm, in fruit up to 20 cm, cymosely branched at the apex, several-to many-flowered; cyme 6-12 cm diam. Bracts small, caducous. Pedicels 2-4 mm long, thick. Two outer sepals strongly concave, orbicular or slightly broader than long, rounded at the apex, 6-7 mm long, densely light fulvous tomentose outside, glabrous inside; sepal 3 transverse-ellptic, 6 mm long, outside tomentose with one glabrous margin; two inner sepals transverse-ellptic, 6 mm long, outside densely sericeous with two glabrous margins. Corolla funnel-shaped to campanulate, deeply 5-lobed, pink (Prain); lobes ovate-oblong (?), with lanceolate, densely hairy midpetaline bands and glabrous margins. Fruit ovoid, ca 14 mm long, pinkish white (Griffith) or purplish red (Main-gay), at the base enclosed by the cupular to shortly funnel-shaped calyx, 1-seeded; fruiting calyx ca 8 mm high, ca 12-13 mm diam., tomentose outside.
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