Ferns of Thailand, Laos and Cambodia > Lepisorus suboligolepidus

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Family

Polypodiaceae

Nomenclature

Lepisorus suboligolepidus Ching, Bull. Fan. Mem. Inst. Biol. 4: 77. 1933; Tagawa & K.Iwats., Fl. Thailand 3: 513. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 275. 2000. – Pleopeltis suboligolepida (Ching) Tagawa & K.Iwats., Acta Phytotax. Geobot. 26: 172. 1975.

Description

Rhizome creeping, 2 mm diam., bearing fronds rather closely spaced, dark on surface, densely scaly throughout; scales ovate-subtriangular with long-attenuate apex, irregularly toothed at margin, up to 3 by 1.5 mm, the central portion dark brown, not transparent, the marginal portion distinctly clathrate. Stipes up to 2 cm long, stramineous, scaly at base. Laminae linear-lanceolate, broadest at middle, narrowing towards both the attenuate ends, entire and flush at margin, up to 20 by 2 cm; subcoriaceous; veins invisible, copiously anastomosing, sparsely minutely scaly on lower surface. Sori medial, round, about 2 mm diam., distinct from the adjacent ones, superficial. Spores monolete .

Distribution in Thailand

NORTH-EASTERN: Loei.

Wider Distribution

SW China (Yunnan) and Taiwan.

Ecology

In mossy crevices of mossy rocks by streams at about 1200 m alt.; collected only in one locality in Thailand.

Proposed IUCN Conservation Assessment

Least Concern (LC). This species is widespread outside of Thailand and not under any known threat.

	Ferns of Thailand, Laos and Cambodia
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Lepisorus suboligolepidus Ching Warning: count(): Parameter must be an array or an object that implements Countable in C:\Data\serverroots\htdocs\ThaiFerns\factsheets\functions.php on line 17 Family Polypodiaceae Nomenclature Lepisorus suboligolepidus Ching, Bull. Fan. Mem. Inst. Biol. 4: 77. 1933; Tagawa & K.Iwats., Fl. Thailand 3: 513. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 275. 2000. – Pleopeltis suboligolepida (Ching) Tagawa & K.Iwats., Acta Phytotax. Geobot. 26: 172. 1975. Description Rhizome creeping, 2 mm diam., bearing fronds rather closely spaced, dark on surface, densely scaly throughout; scales ovate-subtriangular with long-attenuate apex, irregularly toothed at margin, up to 3 by 1.5 mm, the central portion dark brown, not transparent, the marginal portion distinctly clathrate. Stipes up to 2 cm long, stramineous, scaly at base. Laminae linear-lanceolate, broadest at middle, narrowing towards both the attenuate ends, entire and flush at margin, up to 20 by 2 cm; subcoriaceous; veins invisible, copiously anastomosing, sparsely minutely scaly on lower surface. Sori medial, round, about 2 mm diam., distinct from the adjacent ones, superficial. Spores monolete . Distribution in Thailand NORTH-EASTERN: Loei. Wider Distribution SW China (Yunnan) and Taiwan. Ecology In mossy crevices of mossy rocks by streams at about 1200 m alt.; collected only in one locality in Thailand. Proposed IUCN Conservation Assessment Least Concern (LC). This species is widespread outside of Thailand and not under any known threat. Warning: count(): Parameter must be an array or an object that implements Countable in C:\Data\serverroots\htdocs\ThaiFerns\factsheets\functions.php on line 17
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