Stems twining, up to 1 high; young branches densely pilose with appressed pale greyish, fulvous or olivaceous, very short and stiff hairs, making the impression of being farinose. Leaves ovate-oblong to elliptic-oblong, 7-12 by 2½-6 cm, char-taceous; base rounded, apex acute to acute-acuminate, mucronulate, olive-coloured beneath in dry state, much darker above, sparsely strigillose on both sides, glabrescent; midrib and 7-9 nerves on either side prominent beneath; minor nervation indistinct; petiole 2-3.5 cm, pilose like the branches. Peduncles axillary, straight, patently erect, terete, 3-12 cm, pilose, umbellately cymose at the apex, with 3-6 branches. Pedicels 2½-5 mm, angular to sulcate, pilose. Bracts caducous. Sepals equal, ca 3 mm long, shortly pilose outside; two outer ones broadly ovate-triangular to suborbicular, obtuse; sepal 3 broadly triangular to orbicular, obtuse, with one glabrous margin; two inner sepals transverse-ellptic, broadly rounded at the apex, their lateral margins glabrous. Corolla deeply 5-lobed, purple; tube cylindric, ca 4-5 mm long, glabrous; limb ca 2 cm diam.; lobes oblong, ca 8-10 mm long, reflexed; midpetaline bands sericeo-strigillose, margins glabrous. Stamens white; filaments inserted at the mouth of the tube, glabrous at the base. Ovary glabrous, 2-celled. Fruit unknown.
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