毛轴蕨(原变种) mao zhou jue (yuan bian zhong)

Pteris revoluta Blume, Enum. Pl. Javae 2: 214. 1828; Pteridium aquilinum (Linnaeus) Kuhn subsp. revolutum (Blume) X. Q. Chen & X. C. Zhang; P. aquilinum subsp. wightianum (J. Agardh) W. C. Shieh; P. aquilinum var. wightianum (J. Agardh) R. M. Tryon; P. capense (Thunberg) Krasser var. densa Nakai; Pteris recurvata Wallich var. wightiana J. Agardh; P. villosa Fée.

Costae with pallid or light brown hairs, gradually glabrescent, not verrucose; segment apices acute or shortly caudate-acuminate.

Sunny slopes, open shaded forests; 600-3000 m. Gansu (Wenxian), Guangdong, Guangxi, Guizhou, Henan, Hubei (Badong, Gucheng), Hunan (Qianyang), Jiangxi (Jinggangshan), Shaanxi (S slopes of Qin Ling), Sichuan, Taiwan, Xizang (Jiazhongka, Yadong), Yunnan [widely distributed in tropical and subtropical regions of Asia; N Australia].

"Pteridium aquilinum var. osmundoides" (Christ ex H. Léveillé, Bull. Acad. Int. Géogr. Bot. 20: 9. 1910), "Pteris densa," and "Pteris wightiana" (Wallich, Numer. List, nos. 99 & 2178. 1829-1830) all belong here but are nomina nuda and were not therefore validly published (Melbourne Code, Art. 38.1(a)).