骨牌蕨 gu pai jue

Pleopeltis rostrata Beddome, Ferns Brit. India, t. 159. 1867, based on Polypodium rostratum Hooker, Icon. Pl. 6: t. 953. 1854, not N. L. Burman (1768); Lemmaphyllum carnosum (Wallich ex J. Smith) C. Presl var. rostratum (Beddome) Hooker ex Hovenkamp; L. pyriforme (Ching) Ching; Lepidogrammitis pyriformis (Ching) Ching; L. rostrata (Beddome) Ching; L. subrostratum (C. Christensen) Ching; Phymatopsis rostrata (Beddome) J. Smith; Polypodium pyriforme Ching; P. subrostratum C. Christensen.

Plants to 10 cm tall. Rhizomes ca. 1 mm in diam., green, covered with scales; scales subulate-lanceolate, margin denticulate. Fronds remote, monomorphic; lamina lanceolate or elliptic, 6-10 × 2-2.5 cm, fleshy, leathery when dried, pale brown, both surfaces subglabrous, base cuneate and decurrent, margin entire, apex acuminate. Costa raised on both surfaces, veinlets slightly visible, with simple or forked included veinlets. Sori orbicular, usually above broadest parts of lamina, in 1 row on each side of main vein, covered with peltate paraphyses when young.

On tree trunks or rocks in forests; 200-2000(-2500) m. Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, Cambodia, India, Indonesia, Japan, Laos, Myanmar, Nepal, Thailand, Vietnam].