毛臭椿 mao chou chun

Ailanthus giraldii var. duclouxii Dode.

Trees deciduous, ca. 10 m tall. Branches densely gray-white or gray-brown, puberulent when young. Leaves odd-pinnate, 30-60(-90) cm; leaflets 9-16(-20) pairs; petiolules 3-7 mm, puberulent; blades broadly lanceolate or sickle-shaped-lanceolate, 7-15 × 2.5-5 cm, abaxially gray-green, densely white puberulent, adaxially dark green, glabrous but puberulent on veins, base cuneate, oblique, both margins 1- or 2-dentate, teeth abaxially glandular, margin shallowly sinuous to sinuous, apex long acuminate or acuminate; lateral veins 14 or 15 pairs. Panicles 20-30 cm. Flowers not seen. Samarium 4.5-6 × 1.5-2 cm. Fl. Apr-May, fr. Sep-Oct.

● Sparse forests or mixed forests in mountains. Gansu, Shaanxi, Sichuan, Yunnan.