Zanthoxylum montanum Blume, Bijdr. 248. 1825; Turpinia glaberrima Merrill; T. glaberrima var. stenophylla Merrill & L. M. Perry; T. gracilis Nakai; T. montana var. glaberrima (Merrill) T. Z. Hsu; T. montana var. stenophylla (Merrill & L. M. Perry) T. Z. Hsu; T. parva Koorders & Valeton.

Small trees; branches greenish white. Leaves odd-pinnate; rachis ca. 15 cm, slim; leaflets 5; terminal petiolule up to 15 mm, slender, green, lateral ones 2-3 mm; leaflet blades oblong to oblong-oval, (4-)4.5-6 × 1.5-4 cm, papery, glabrous, adaxially green, abaxially greenish, lateral veins many, conspicuous abaxially and faint adaxially, base broadly cuneate, margin sparsely crenate or serrate, apex cuspidate with cusp 5-7 mm. Inflorescence terminal, main axis up to 17 cm. Flowers small, ca. 3 mm in diam., densely arranged on panicle. Sepals broadly ovate, ca. 1.3 mm, glabrous. Petals ovate to rounded, ca. 2 mm, tomentose or glabrescent. Filaments glabrous. Ovary 2- or 3-locular; ovule 1 per locule. Berry dark purple, globose, 4-7 mm in diam., exocarp thin, ca. 0.2 mm.

Forests on slopes, dense forests, moist forests. Guangdong, Guangxi, Guizhou, Yunnan [India, Indonesia (Java, Sumatra), Myanmar, Thailand, Vietnam].