Stems twining, to 15 m or more, terete, strigose. Leaves ovate, 3.5-9 by 2-5 cm, obtuse or rounded at the base, abruptly acuminate to cuspidate at the apex with a narrow, acute, mucronulate acumen; upper surface glabrous except the strigose midrib, lower surface densely light-yellowish sericeous or much less hairy to nearly glabrous; midrib and 5-6 nerves on either side prominent beneath, minor nervation reticulate, inconspicuous when covered by the indument; petiole 1-2.5 cm, strigose. Peduncles axillary, terete, short, 10-18 mm, densely sericeous, cymosely 1-5-flowered, usually 1-flowered. Pedicels c. 4-6 mm, sericeous. Bracts linear, to c. 10 mm long, sericeous, caducous. Sepals broadly ovate, broadly acute to rounded at the apex, densely sericeo-tomentose outside, one margin of sepal 3 and both margins of sepals 4 and 5 less densely hairy or partly glabrous; three outer sepals c. 8.5 mm, two inner ones c. 6.5-7 mm long. Corolla funnel-shaped, c. 2.5-3 cm long, pale pinkish white outside, rose-pink inside; limb shallowly lobed; midpetaline bands with appressed hairs, rest of corolla glabrous. Style and stamens nearly as long as the corolla. Filaments dilated and glandular hairy at the base. Ovary glabrous, 2-celled. Fruit unknown.
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