Ferns of Thailand, Laos and Cambodia > Hymenasplenium obscurum

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

Aspleniaceae

Nomenclature

Hymenasplenium obscurum (Blume) Tagawa, Acta Phytotax. Geobot. 7: 83. 1938. – Asplenium obscurum Blume, Enum. Pl. Javae.: 181. 1828; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 225. 1940; Tagawa & K.Iwats., SouthE. Asian Stud. 3(3): 84. 1965; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 85. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 279, f. 22.1. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 143. 2000.

Description

Similar to Hymenasplenium excisum (C.Presl) S.Linds. but differing in: rhizome not so long, often green and fleshy; stipe and rachis green or brownish, never polished; lateral pinnae patent, little falcate, less widely spaced; sori short, usually up to 3 mm long, allantodioid or in more or less sausage-form .

Distribution in Thailand

NORTHERN: Chiang Mai, Chiang Rai, Lamphun.

Wider Distribution

Madagascar, Sri Lanka, S India and E Himalaya, Burma, Indochina, S China, Taiwan, and throughout Malesia.

Ecology

On wet sandy ground or on moist muddy rocks in evergreen forests at 900–1600 m alt.

Proposed IUCN Conservation Assessment

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

	Ferns of Thailand, Laos and Cambodia
Home \| Species Index \| Glossary
Hymenasplenium obscurum (Blume) Tagawa 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 Aspleniaceae Nomenclature Hymenasplenium obscurum (Blume) Tagawa, Acta Phytotax. Geobot. 7: 83. 1938. – Asplenium obscurum Blume, Enum. Pl. Javae.: 181. 1828; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 225. 1940; Tagawa & K.Iwats., SouthE. Asian Stud. 3(3): 84. 1965; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 85. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 279, f. 22.1. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 143. 2000. Description Similar to Hymenasplenium excisum (C.Presl) S.Linds. but differing in: rhizome not so long, often green and fleshy; stipe and rachis green or brownish, never polished; lateral pinnae patent, little falcate, less widely spaced; sori short, usually up to 3 mm long, allantodioid or in more or less sausage-form . Distribution in Thailand NORTHERN: Chiang Mai, Chiang Rai, Lamphun. Wider Distribution Madagascar, Sri Lanka, S India and E Himalaya, Burma, Indochina, S China, Taiwan, and throughout Malesia. Ecology On wet sandy ground or on moist muddy rocks in evergreen forests at 900–1600 m alt. Proposed IUCN Conservation Assessment Least Concern (LC). This species is widespread 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
Site hosted by the Royal Botanic Garden Edinburgh. Content managed by Stuart Lindsay, Gardens by the Bay, Singapore and David Middleton, Singapore Botanic Gardens. Last updated 24 January 2012