中华隐囊蕨 zhong hua yin nang jue

Notholaena chinensis Baker, Gard. Chron., n.s., 14: 494. 1880.

Rhizomes creeping, 2-3 mm in diam.; scales linear to linear-lanceolate, bicolorous with dark brown central stripe and lighter margins. Fronds ± closely spaced. Stipe dark brown, lustrous, terete, (2-)3-14 cm, scaly proximally. Lamina narrowly deltoid to oblong-triangular, 7-18 × 2-8 cm, pinnate-pinnatifid, papery, abaxially moderately to densely tomentose with fine, long, yellowish brown to orangish brown hairs, adaxially sparsely to moderately villous with fine, brown hairs. Pinnae 10-20 pairs; basal pair largest, 2-4 × 1.5-3 cm, sessile, apex rounded to angled; proximal 2-4 pairs strongly inequilateral, basiscopic segments greatly enlarged, much longer than adjacent acroscopic ones; distal pinnae gradually reduced, ± equilateral, pinnatifid or not, apex obtuse. Ultimate segments sessile, broadly adnate to costae, margins slightly recurved but not covering sori. Sori ± continuous or sometimes interrupted at segment sinuses, containing few sporangia, immersed in pubescence. False indusium absent.

● Limestone crevices; 400-800 m. Chongqing, N Guangxi (Lingui), NE Guizhou, W Hubei, Sichuan.