Zanthoxylum armatum Seeds, Winged Prickly Ash, Nepal Pepper
Winged Prickly Ash is a small tree or large spiny shrub. Leaves are distinctlively trifoliolate, with the leaf-stalk winged. Leaflets are stalkless, 2-7.5 x 1-1.7 cm, elliptic to ovate-lancelike, entire to slightly toothed, sharp-tipped, base sometimes oblique. Minute yellow flowers arise in leaf axils.