Description from
Flora of China
Millingtonia dilleniifolia Wallich ex Wight & Arnott, Edinburgh New Philos. J. 15: 179. 1833.
Trees to 8 m tall, deciduous. Leaves simple; petiole ca. 3.5 cm; leaf blade obovate or ovate-elliptic, 10-30 × 4.5-8(-14) cm, papery, abaxially curved villous, adaxially pubescent, lateral veins 16-20 pairs, straight, running out into teeth, base cuneate, margin biserrate, apex acute or acuminate. Panicles terminal, erect, 14-30 cm, branched 3 or 4 times; peduncles and branches angulate, pubescent. Flowers ca. 2 mm in diam. Sepals 5, ovate or broadly ovate, ca. 1 mm, ciliate. Petals: 3 outer ones white, flat, orbicular, ca. 2 mm wide; 2 inner ones ca. 1 mm, bifid to half; lobes acute, ciliate. Stamens ca. 1.5 mm. Pistil ca. 1 mm. Drupe globose, 3-3.5 mm in diam., finely reticulate, midrib prominent. Fl. Jun-Jul, fr. Sep-Oct. 2n = 32.
Jungles, valleys; 2000-3300 m. SE Xizang, Yunnan [Bhutan, N India, N Myanmar, Nepal].