Japan Flora: Evergreen scandent liana with terete, smooth or loosely prickly steins; leaves chartaceous to thickly so, orbicular-ovate, ovate, oblong-ovate or elliptic, 3-12 cm. long, 1.3-10 cm. wide, the upper surface lustrous, the lower surface very glaucous and waxy, cuneate to rounded at base, shortly acute to rounded at apex, nerves 3 to 7, the lateral veins reticulate, prominently elevated on the lower surface, the petioles short, curved, the lower 2/3 to 1/2 sheathing; tendrils shorter than to almost as long as the blade; umbel solitary, with 17-56 smooth slender rays to 15 mm. long; peduncle moderately compressed, smooth; perianth segments slightly recurved in flowering, the staminate 3.5-5 mm. long, the pistillate 3-3.5 mm. long; stamens 6; berry globose, (5-)7-8 mm. in diameter, blue-black to dark purple; seeds 1 to 2 to a berry, obovoid, dark red. Occasional on rocky slopes along the seacoast;

Kyushu (Ohsumi, Satsuma). Ryukyus and Formosa.