Shrub or small tree, up to 4 m, 4 cm dbh. Twigs glabrous to densely short hairy. Axillary buds c. 1-2.5 mm long, hairy; older nodes often with numerous adventitious buds. Petiole (5—)7—15 mm, not transversely wrinkled, glabrous to densely shortly hairy, apically sometimes with glands. Leaf-blade 10-26 by (2.5-)3.5-10.5 cm, apex shortly acuminate to cuspidate; above greyish green, rather dull; beneath green, secondary nerves 8-10 pairs, at least in apical part forming an intramarginal nerve; glands mostly rather numerous, scattered, 0.2-0.5 mm diam., basal glands often present. Inflorescences situated at end of young twigs, but also axillary and on old nodes (plant partly ramiflorous), 1 (or 2) in each axil, erect to strongly reflexed, unbranched, or sometimes with a side-branch; axes 1-11 cm long, dark, rather sparsely shortly hairy; lower bracts (sub)opposite. Pedicel 4.5—6 mm, dark, rather sparsely minutely patently hairy. Sepals dark purple; outer ones 2.5-3.8 by 2.1-3.1 mm; inner ones 4.2-5.2 by 3-3.9 mm. Petals when dry light to dark orange, the longest one 13-19 mm long; carina long unguiculate, sparsely very shortly appressedly hairy outside; other petals very sparsely hairy outside to glabrous. Stamens: filaments connate over (0.7-)2-2.5 mm, slightly widened and hardly thickened above base; anthers 0.8-1.2 mm long, very shortly hairy at base. Ovary c. 2 mm stipitate, half-patently hairy; style exserted from the carina for less than 0.5 mm, sparsely hairy in 2 rows; ovules 4. Fruit (immature) shortly stalked, more or less globular, slightly beaked, brownish, hairy; pedicels 8-11 mm.
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