 "bifida") is a species of cycad plant in the genus "Cycas", native to southern China (southern Guangxi and eastern Yunnan), and northern Vietnam (Cao Bằng, Lạng Sơn and Tuyên Quang provinces).The stems are largely subterranean, 20–60 cm in diameter and up to 20 cm above ground level, and bear three to eight leaves.The leaves are 2–4 m long and 40–80 cm broad, dark green and glossy, bipinnate, with 27-44 pairs of leaflets, each leaflet dichotomously divided (split in two), linear, 10–38 cm long and 1.5–3 cm broad, papery to leathery in texture; the leaf petiole is 0.5–2 m long, armed with spikes.