Lepisorus sinensis (Christ) Ching
Lepisorus sinensis (Christ) Ching, Bull. Fan Mem. Inst. Biol. 4: 63. 1933. – Neurodium sinense Christ, Bull. Herb. Boiss. 6: 880. 1898; Tagawa & K.Iwats., Fl. Thailand 3: 515, f. 51.8 & 51.9. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 275. 2000. – Pleopeltis sinensis (Christ) Copel., Gen. Fil.: 184. 1947; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 50. 1967.
Rhizome creeping, about 2 mm diam., densely scaly; scales gradually narrowing from the broadest attachment point towards attenuate apex, round at base, dark brown with thick internal walls, the marginal portion clathrate, the margin toothed, up to 3 by 0.7 mm. Stipes usually 1 cm apart, scaly at base, narrowly winged nearly to the base, stramineous. Laminae linear, 8–20 by 0.7–1.7 cm, broadest at 1/3 way from base, gradually narrowing towards both ends, attenuate at apex; midrib raised on both surfaces; subcoriaceous, green, bearing sparse small peltate hairs appressed to both surfaces. Sori elongate along medial or submarginal strands, often interrupted, usually confined to the upper half of fronds, about 2 mm broad at maturity. Spores monolete .
Distribution in Thailand
NORTHERN: Chiang Mai.
Bhutan and SW China (Yunnan).
On mossy branches of trees or on mossy rocks in dense evergreen forests on ridges at 1500–2000 m alt., in the North.
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is widespread outside of Thailand and not under any known threat.
Voucher specimens - Thailand
Middleton et al. 5056, Chiang Mai, Doi Pha Hom Pok National Park (E).
Whole plant from above
Whole plant from beneath
Lower surface of frond and base of sori
Lower surface of frond apex
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