26. Zanthoxylum myriacanthum Wallich ex J. D. Hooker, Fl. Brit. India. 1: 496. 1875.
大叶臭花椒 da ye chou hua jiao
Trees to 15 m tall, deciduous. Branchlets toward apex and rachis of inflorescences with prickles. Leaves without prickles, 7-17-foliolate; leaflet blades opposite, broadly ovate, ovate-elliptic, or oblong, but suborbicular basally on rachis, 10-20 × 4-10 cm, both surfaces glabrous, oil glands numerous, large, turning red or blackish brown and slightly protruding when dry, midvein adaxially impressed, base symmetrically or obliquely rounded to broadly cuneate, margin crenulate-serrulate. Inflorescences terminal, to 35 × 30 cm, many flowered. Flowers 5-merous. Perianth in 2 series. Sepals broadly ovate, ca. 0.3 mm. Petals white, ca. 2.5 mm. Male flowers: stamens 5; rudimentary gynoecium disciform, 3-lobed. Female flowers: carpels (2 or)3(or 4); staminodes small. Fruit follicles reddish brown, ca. 4.5 mm in diam., oil glands numerous, apex not beaked. Seeds ca. 4 mm in diam. Fl. Jun-Aug, fr. Sep-Nov.
Hillside forests, forests; 200-1500 m. Fujian, Guangdong, Guangxi, SE Guizhou, Hainan, S Hunan, Jiangxi, S Yunnan, S Zhejiang [Bhutan, India, Indonesia, Malaysia, Myanmar, Philippines, Vietnam].