Allophylus longipes Radlk.

Trees, small, or shrubs, to 10 m tall. Branchlets pale white or yellowish gray, subglabrous. Leaves trifoliate; petioles 4-10 cm; leaflets with petiolules 5-10 mm; blades abaxially olive-green, adaxially brown when dry, papery, abaxially with tufts of hairs in lateral vein axils, margin sparsely serrulate above middle; terminal blade lanceolate or narrowly elliptic-lanceolate, 12-24 × 3-9 cm, base cuneate or broadly so, apex caudate-acuminate; lateral ones ovate or broadly ovate, bilaterally asymmetrical. Inflorescences compound racemose, usually with several or numerous branches, solitary, or sometimes accompanied with 1 or 2 unbranched inflorescences, rachis and branches grooved, grayish yellow pubescent; peduncles 3-4.5 cm; female ones ascending, male ones slender and curved. Pedicels 2-3 mm. Petals shortly cuneate, ca. 1.3 mm, claw villous; scales 2-lobed. Filaments slightly stouter proximally. Ovary (2 or)3-lobed, (2 or)3-loculed, lobes often unequal. Fruit red, ellipsoid, 9-10 × 6-7 mm. Fl. summer-autumn, fr. autumn-winter.

S Guizhou, S Yunnan [N Vietnam].

Dense forests; 1100-1600 m.

Allophylus longipes là một loài thực vật có hoa trong họ Bồ hòn. Loài này được Radlk. mô tả khoa học đầu tiên năm 1908 publ. 1909.

长柄异木患（学名：Allophylus longipes）为无患子科异木患属下的一个种。