Shrub or small tree, up to 6 m by 7µ cm. Branches strigose, older ones with faint longitudinal ridges and few oval lenticels. Leaves subcoriaceous, narrowly oblong to oblong or oblanceolate, (9-)14-22(-40) by (3-)4½-8(-12½) cm, 8-12 (-16)-nerved; acute, generally slightly acuminate at the apex, obtuse to broadly acute at the base; glabrous, with sunken midrib, faintly prominent nerves and major venation, and indistinct minor venation above; glabrous with slightly prominent nerves and indistinct venation beneath. Petiole (5-)10-15 (-20) mm. Inflorescences axillary, up to 1 cm long, (1-)2-4(-10)-flowered. Pedicel 1-3 mm, with rather broad bracteoles. Sepals 1 & 2 orbicular, 2-3½ by 2-3½ mm, 4 & 5 transverse-oval, 2.2-3½ by 2½-4 mm, glabrous outside. Corolla white, 12-14 mm, tube 2-4.5 mm; mid-petaline field 4.5-5 by 1.8-2 mm, rather densely appressed-hairy (hairs 2-, few 3-branched, up to 600 µ total length); lobules 5 ½-6 by 3-3½ mm, rather thin, with distinct venation, entire or minutely crenate-serrate at the margin, coherent above the midpetaline field for ½ mm. Stamens inserted 0.7-2 mm above the corolla-base; filament 1.5-1.7 mm long, 0.4-0.6 mm broad at base; anther 1.5-1.8 mm long, 0.5-0.9 mm broad, 0.4-0.6 mm thick, broadly acute at the apex, cordate at the base. Ovary 1.8-2.2 by 0.8-0.9 mm, glabrous; stigma conical, with 5 faint to distinct ridges. Fruit unknown.
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