7a. Dennstaedtia scabra var. scabra
碗蕨(原变种) wan jue (yuan bian zhong)
Dicksonia scabra Wallich ex Hooker, Sp. Fil. 1: 80. 1844; Dennstaedtia deltoidea (Hooker) T. Moore; Dicksonia deltoidea Hooker; Patania scabra (Wallich ex Hooker) Beddome.
Both surfaces of lamina, rachis, rachillae, and costae densely hairy. Indusium densely hairy.
Forests, near streams; 1000-2400 m. Chongqing, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [India, Japan, Korea, Laos, Malaysia, Philippines, Sri Lanka, Vietnam].
Reviewer Ralph Knapp states that the material of Dennstaedtia scabra in Taiwan has the lamina distinctly hairy on both surfaces and indusia almost glabrous such that it is not practicable to place it in either of the varieties recognized in this treatment.