Oplopanax elatus (Nakai) Nakai

This species is used medicinally.

Shrubs, deciduous, to 3 m tall, hermaphroditic. Branches stout, with dense yellow-orange prickles. Petiole 3-10 cm, densely setose; leaf blade suborbicular to oblate, 15-30(-44) cm wide, both surfaces pubescent or setose on veins, 5-7-lobed; lobes triangular or broadly triangular, base cordate, margin ir- regularly serrate, apex acute to slightly acuminate. Inflorescence terminal, a raceme of umbels, 8-25 cm, densely setose toward base, stiffly pubescent throughout; umbels 0.9-1.3 cm in diam., 6-12-flowered; proximal peduncles ca. 2.5 cm, distal ones short or flowers borne directly on primary axis. Calyx 5-toothed, glabrous. Styles united to middle, slender, apically recurved. Fruit yellow-red at maturity, obovoid, sometimes globose, 0.4-1.2 cm. Fl. Jun-Jul, fr. Sep. 2n = 48.

E Jilin [Korea, Russia].

Mixed forests; 1400-1600 m.

Echinopanax elatus Nakai, J. Coll. Sci. Imp. Univ. Tokyo 26: 276. 1909.