食用双盖蕨(原变种) shi yong shuang gai jue (yuan bian zhong)

Hemionitis esculenta Retzius, Observ. Bot. 6: 38. 1791; Anisogonium esculentum (Retzius) C. Presl; Asplenium ambiguum Swartz; Athyrium ambiguum (Swartz) Milde; A. esculentum (Retzius) Copeland; Callipteris ambigua (Swartz) T. Moore; C. esculenta (Retzius) J. Smith ex T. Moore & Houlston; Digrammaria ambigua (Swartz) C. Presl; Diplazium ambiguum (Swartz) Hooker (1857), not Raddi (1819); Microstegia ambigua (Swartz) C. Presl; M. esculenta (Retzius) C. Presl.

Rachis and costae not hairy.

Valley forests, beside brooks; 100-1200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [tropical Asia, subtropical and tropical Polynesia].

The young frond is edible.