A shrub or small tree 3–9(–?27) m. tall; young branches covered with dense to sparse, short adpressed hairs or rarely red spreading hairs, becoming glabrous with age, lenticels conspicuous, numerous, whitish and slightly prominent.. Leaf-blades elliptic, 7–21 cm. long, 2.9–11 cm. wide, apex acuminate, base cuneate, with 6–13 pairs of lateral nerves, glabrescent to sparsely hairy on both surfaces with dense hairs, occasionally much longer red hairs on the nerves beneath; petioles 0.4–2.3 cm. long; stipules narrowly triangular, 3–13 mm. long, with adpressed hairs outside, caducous.. Flowers heterostylous or isostylous, sweet-scented, in ± dense panicles; peduncles 1.2–4.7 cm. long; secondary peduncles present; pedicels 3–5.5 mm. long; 0–8 foliaceous calyx-lobes present on each inflorescence; bracts and bracteoles inconspicuous, 1–3-lobed, up to 7 mm. long, caducous or persistent.. Calyx covered with adpressed hairs; tube green, turbinate, 2.5–5 mm. long; lobes brown, subulate to narrowly triangular or linear, 2.5–12 mm. long, up to 1 mm. wide, caducous; foliaceous lobes white to cream, ovate to broadly ovate, 3.2–9.3 cm. long, 2.5–8.2 cm. wide, acute to acuminate at apex, truncate at base, glabrescent or covered with velvety hairs; stipe 1–2.1 cm. long.. Corolla with tube greenish yellow and lobes lemon-yellow above; tube 2.8–4 cm. long, 3–6 mm. wide at top, 1.5–3 mm. wide at base, densely covered with buff or pink adpressed hairs outside, flattened hairs absent but with fine hairs present at the throat and extending between the anthers, becoming sparse for the remainder of the tube; lobes ovate, 5–12 mm. long, 3–7 mm. wide, acuminate at the apex with acumen 1–4 mm. long, the inner portion free or connate for up to 0.4 mm. long, with adpressed hairs below and short sparse hairs and longer yellow hairs on the midrib above.. Distance from the throat to the top of the anthers 5–10 mm. in long-styled flowers and 0–4 mm. in short-styled flowers.. Style 1.9–2.8 cm. in long-styled flowers and 0–4 mm. in short-styled flowers; arms absent; stigma included, lobes 4–7 mm. long.. Fruit green, dotted with brown lenticels, globose, sometimes slightly bilobed, 6–10 mm. long, with annular whitish buff scar encircling the blackish remains of the disc, sparsely covered with short hairs.. Seeds golden-brown to blackish, ± oblong to square in outline, 0.6–0.8 mm. long, thickened and angular, distinctly reticulate.
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