Fraxinus paxiana Lingelsheim var. sikkimensis Lingelsheim, Bot. Jahrb. Syst. 40: 214. 1907; F. suaveolens W. W. Smith.

Trees ca. 17 m tall. Branchlets nearly 4-angled, brown tomentose to glabarescent. Leaves 25-35 cm; petiole ca. 10 cm; axis subterete; leaflets 7-9; petiolule 1-2 mm or absent, densely rusty tomentose; leaflet blade lanceolate, 5.5-12 x 2-4.5 cm (terminal larger), papery to leathery, abaxially densely felty, villose at vein axils, base broadly cuneate or blunt, sparsely serrate, apex acuminate or long acuminate; primary veins 10-12(-18) on each side of midrib, abaxially raised. Panicles terminal or lateral, 15-30 cm, lax; bracts absent. Flowers unisexual, appearing after leaves. Pedicel 3-5 mm. Calyx cupular, ca. 1 mm, shallowly toothed. Staminate flowers: corolla lobes oblong-linear, ca. 3 mm; stamens exceeding lobes. Pistillate flowers: corolla lobes caducous. Samara spatulate, 3-3.5 cm x 4-6 mm; wing decurrent to middle of nutlet. Fl. May, fr. Jul-Oct.

Forests by river valleys; 2000-2800 m. Sichuan, Xizang, Yunnan [India (Assam), Sikkim]