Leaves petiolate; lamina 2·7–7·7 (9·2) × (0·9) 1·1–2·6 (3) cm., oblong or elliptic to oblanceolate or obovate, acute or shortly acuminate or mucronate to rounded at the apex, with margin densely glandular-serrulate, cuneate at the base, herbaceous, with primary lateral nerves ascending, interconnected by more widely spreading secondary laterals in turn linked by tertiary cross-veins, prominent above but less so or almost plane below; petiole 1–2·5 mm. long, rather slender, grooved above.
Shrub or small tree (0·3) 2–10 (15) m. high, with bark black or dark grey, very rough; branches striate, purplish with pale lenticels at first, becoming white or yellowish-white, not usually exfoliating.
Sepals 3–4 (5) mm. long in flower, oblong, rounded, reflexed after flowering, becoming crimson, 7–9 (10) mm. long, narrowly oblong, flat and spreading in fruit.
Stamens 10 (11), with anthers yellow, 1·5–2·5 mm. long, about 3/4–11/2 times as long as the filaments, straight, usually twisting spirally after dehiscence.
Flowers solitary or 2–4 in fascicles, axillary or terminating short shoots, appearing before the leaves, scented; pedicels 1–2 cm. long in fruit.
Small tree or shrub, (0.3-)2.0-0.0(-5.0) m high. Petals 4-5 mm long. Stamens 10(11). Flowers white to creamy white.
Petals white to creamy white, 4–5 mm. long, oblong-oblanceolate, narrowed at the base but not clawed.
Carpels 5, with styles completely united; stigma small, scarcely lobed.
Drupelets curved-lenticular, compressed, 6–7 × 6–7 mm.