Description from Flora of China
Phoebe angustifolia var. annamensis H. Liu.
Small shrubs. Branchlets blackish, sometimes older ones yellowish, younger branchlets glabrous or gray-brown puberulent. Terminal buds small; bud scales brownish puberulent outside. Petiole 1-1.5 cm, glabrous or glabrate; leaf blade lanceolate or narrowly lanceolate, (10-)15-25(-37) × 1-2.5(-3.5) cm, leathery, puberulent or glabrous abaxially, glabrous or puberulent along midrib adaxially, midrib elevated on both surfaces, lateral veins 10-16(-20) pairs, abaxially conspicuous, adaxially slightly conspicuous or inconspicuous, base attenuate and decurrent, apex acuminate. Panicles subterminal, numerous, 8-18(-20) cm, branched at above middle of peduncle; peduncle and pedicel outside glabrous. Perianth lobes ovate, ca. 2.5 mm, glabrous outside, pubescent inside. Stamens ca. 2 mm; filaments slightly hairy, those of 3rd series with shortly stalked glands at base. Fruit ovoid, 9-12(-14) × 5-7 mm; fruiting pedicel 6-8 mm, slender; persistent perianth lobes straw-yellow or brownish, leathery, clasping base of fruit. Fl. Apr, fr. May-Jun.
Lowlands, marshlands, streamsides. SE Yunnan [India, Myanmar, Vietnam].