Shrubs, rarely small trees, to 4 m tall. Branchlets purplish brown when young, grayish brown when old, terete, initially brown tomentose, glabrous when old. Petiole 0.5–1.8 cm or nearly absent, slightly brown tomentose or, subglabrous; stipules caducous, lanceolate, sparsely brown tomentose, apex acuminate; leaf blade ovate, oblong, rarely obovate, oblong-lanceolate, narrowly elliptic or lanceolate-elliptic, (2–)4–8 × 1.5–4 cm, leathery, veins prominent abaxially, reticulate veins conspicuous abaxially and conspicuous or not adaxially, abaxially pale, glabrous or sparsely tomentose, adaxially lustrous, glabrous, base attenuate, margin crenulate, serrate, or obtusely serrate, apex obtuse, acute, acuminate, or long caudate. Panicle or racemes terminal, many- or few flowered; peduncle and pedicels rusty tomentose; bracts and bractlets caducous, lanceolate or narrowly lanceolate, 2–7 mm, both surfaces initially brown tomentose, densely so at margin, soon glabrescent, apex acuminate. Pedicel 0.5–1.5 cm, initially brown tomentose, soon glabrescent. Flowers 1–1.3(–1.5) cm in diam. Hypanthium tubular, brown tomentose at margin and on both surfaces or glabrous. Sepals triangular-lanceolate or linear, 4.5–6 mm, both surfaces slightly brown tomentose or glabrous, apex acute. Petals white or pinkish, obovate or lanceolate, 5–7 × 4–5 mm, pubescent basally, apex obtuse. Stamens 15, ca. as long as or shorter than petals. Ovary glabrous, 2- or 3-loculed, with 2 ovules per locule; styles 2 or 3, connate at base, subglabrous. Pome purplish black, globose, 5–8 mm in diam., glabrous; fruiting pedicel 5–10 mm, glabrous; sepals caducous, leaving an annular ring. Fl. Apr, fr. Jul–Aug.
Shrub 2–8 m tall. Leaves coriaceous, lanceolate-oblong or obovate, 5–10 by 2–4 cm, narrowed at base, acuminate, acute or obtuse at apex, ± serrate in the upper part, entire in the lower half, glabrous; nerves 6–12 paris. Petiole 10–30 mm long. Stipules minute, subulate, deciduous. Panicles 3–10 cm long tomentose or glabrous. Calyx tomentose or glabrous; calyx lobes subulate, acute or obtuse. Petals white or pink. Stamens about 20. Ovary glabrous. Styles glabrous or pilose. Fruit globose, bluish black, 3–5 mm in diameter.
From sea level to 1200 m, in open evergreen forests. Flowers from December to March. Fruits in August–September.
Thailand, S. China (type), Taiwan, Indochina, Indonesia.
Local medicine (Phu Kradung, Loei). Sometime cultivated in the temperate regions for ornamental purposes.
| Name | Language | Country | |
|---|---|---|---|
| kapkae (กับแก)(Northeastern) | Thai | THA |
|
| phangki (พังกี่)(Northeastern) | Thai | THA |
|
| khan khak (คันคาก)(Eastern) | Thai | THA |
|
| meng sakroen (เม้งสะเกริน)(Eastern) | Thai | THA |
|
| ahuai (อะห้วย)(Northeastern) | Thai | THA |
|
