Polystichum sinense (H.Christ) H.Christ
Synonyms |
Polystichum wilsonii H.Christ |
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Common name |
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Description |
Rhizome erect to suberect, to 13 cm long and up to 1 cm in diameter, rarely branched, with dense roots; rhizome scales to 12 x 1 mm long, margin finely toothed, reddish brown, linear, tapering to a point. Fronds tufted, to 1 m long, herbaceous. Stipe up to 45 cm long, pale brown, densely set with pale brown ovate scales, 13-23 x 7-9 mm, standing out almost at right angles, interspersed with smaller, pale hair-like scales. Lamina (33-)47-63 x 8-16 cm, lanceolate-linear to narrow elliptic in outline, 2-pinnate. Pinnae up to 29 on each side of the rhachis, with basal 2 or 3 pairs of pinnae slightly reduced, largest to 9 x 2 cm. Pinnule up to 12 free pairs per pinna, to 12 mm, margins aristate with aristae ± 1 mm long, basal basiscopic aristae folded in over the upper surface of the lamina; upper surface subglabrous, lower surface set with pale brown, twisted hair-like scales. Rhachis as for stipe, scales smaller and narrower. Sori round, c.1 mm in diameter; indusia pale brown, peltate, round, membranous, erose. |
Notes | |
Derivation | sinense: from China, the type specimen was collected in China. |
Habitat | Rock crevices, base boulders in montane grassland or scrub, Bamboo zone, Hagenia zone, heath zone and moorland, occasionally in moist forest. |
Distribution worldwide | Africa, Grande Comore, Réunion, Asia, Japan, Taiwan. |
Distribution in Africa |
Cameroon, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Ethiopia, Kenya, Lesotho, South Africa, Tanzania , Uganda, Zimbabwe. |
Growth form |
Lithophytic, terrestrial. |
Literature |
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