Leptostegia lucida D. Don, Prodr. Fl. Nepal. 14-15. 1825; Onychium contiguum Wallich ex C. Hope, nom. illeg. superfl.; O. dulongjiangense W. M. Chu; O. lucidum (D. Don) Sprengel.

Plants (39-)45-80 cm tall or more. Rhizomes ca. 4 mm in diam. Stipe usually brown to chestnut-brown. Ultimate pinnules or segments mostly 7-10 mm.

Onychium dulongjiangense, which is known only from the type collection from Yunnan, appears to represent merely a robust plant of O. japonicum var. lucidum.

Roadsides, forest margins, mountain slopes; 200-2400 m. Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hubei, Jiangxi, Shaanxi, Sichuan, Xizang, Yunnan, Zhejiang [Bhutan, India, Myanmar, Nepal, Pakistan, Vietnam].