Lagerstroemia tomentosa var. caudata Koehne; Murtughas tomentosa (C. Presl) Kuntze.

Trees, 20-30[-35] m tall. Bark gray, fibrous, to 1 cm thick; stem, petioles, leaves, floral tubes, and ovaries densely golden tomentose; trichomes dendritic. Petiole 4-8 mm; leaf blade oblong-lanceolate or ovate, 8-18 × 4-6.5 cm, abaxially tomentose, glabrescent except on midvein, lateral veins 9-11 pairs, base rounded, apex acute to shortly acuminate. Panicles 8-20 cm, relatively open. Floral tube 6-merous, 8-10 mm, 12-ribbed, densely golden tomentose; sepals 3-4 mm, adaxially completely glabrous; annulus absent; epicalyx absent. Petals white, pale pink, or purple, ovate, 1-1.6 cm including claw 3-5 mm, base obtuse. Stamens 24-70, dimorphic. Ovary densely golden tomentose. Capsules globose to ovoid-oblong, 1-1.5 × 0.8-1.1 cm, 6-valved, apex tomentose. Seeds 6-7 mm including wing. Fl. May, fr. Aug-Nov.

Mixed forests; 600-1200 m. Yunnan [Laos, Myanmar, Thailand, Vietnam].