Description from Flora of China
Trees, 6-20 m tall; branchlets dark brown, glabrous. Petiole 3-7 cm, inflated basally; leaf blade lanceolate to oblong-lanceolate, 15-24 × 3-5.5 cm, papery or thinly leathery, glabrous on both sides, base cuneate, margin entire, apex acuminate, lateral veins 16-20 pairs, prominent on both sides. Inflorescence paniculate, terminal, 15-33 cm, glabrous, with slender primary branches; floral subtending bracts ovate-lanceolate, ca. 1 mm. Pedicels slender, 3-8 mm, glabrous, articulate. Sepals ovate to lanceolate, ca. 3.5 × 1.5 mm, concave, glabrous. Petals white with 3-5 dark brown veins adaxially, lanceolate to linear-lanceolate, ca. 7 × 1.5 mm, recurved and twisted apically at anthesis. Fertile stamen 1, ca. 4 mm; staminodes 1 or 2, shortly subulate to dentate; anther ovoid, ca. 0.7 mm. Ovary globose, ca. 1.5 mm in diam.; style subterminal. Drupe oblique, ovate, 6-8 × 4-5 cm, apex elongated into a curved beak; mesocarp thin; endocarp large, rounded to elliptic. Fl. Apr-May, fr. Jun-Aug.
Lowland and hill forests; 600-1900 m. S Yunnan [Bangladesh, Bhutan, Cambodia, India (Assam, Darjeeling, Sikkim), Myanmar, Thailand].