Ferns of Thailand, Laos and Cambodia

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Family

Pteridaceae, subfamily Pteridoideae

Nomenclature

Pteris plumbea Christ, Not. Syst. 1: 49. 1909; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 150. 1940; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 82. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 255. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 130. 2000.

Description

Rhizome short, erect; scales linear, up to 1.2 cm long, deep brown, more or less crisped. Stipes stramineous, scaly at base, puberulous upwards, 15–20 cm long in sterile frond, 30–40 cm in fertile one. Laminae pinnate, oblong-ovate in outline, 15–30 cm; lateral pinnae simple, forked or trifoliolate, usually more branched in fertile ones, narrowly cuneate at base, caudately acuminate at apex, sharply and minutely serrate at margin of sterile pinnae, up to 13 by 2.5 cm in sterile pinnae, up to 18 by 1.2 cm in fertile pinnae, shortly stalked or sessile in upper pinnae, chartaceous, deep green, glabrous; veins visible on lower surface. Sori continuous from base nearly to apex of pinnae; indusia thin but firm , brown.

Distribution in Thailand

NORTH-EASTERN: Loei; SOUTH-EASTERN: Chon Buri, Chanthaburi; PENINSULAR: Surat Thani, Satun.

Distribution in Cambodia

Pursat

Wider Distribution

China and Indochina.

Ecology

On rather dry mountain slopes in mixed forests at medium altitudes.

Proposed IUCN Conservation Assessment

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

	Ferns of Thailand, Laos and Cambodia
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Pteris plumbea Christ 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 Pteridaceae, subfamily Pteridoideae Nomenclature Pteris plumbea Christ, Not. Syst. 1: 49. 1909; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 150. 1940; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 82. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 255. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 130. 2000. Description Rhizome short, erect; scales linear, up to 1.2 cm long, deep brown, more or less crisped. Stipes stramineous, scaly at base, puberulous upwards, 15–20 cm long in sterile frond, 30–40 cm in fertile one. Laminae pinnate, oblong-ovate in outline, 15–30 cm; lateral pinnae simple, forked or trifoliolate, usually more branched in fertile ones, narrowly cuneate at base, caudately acuminate at apex, sharply and minutely serrate at margin of sterile pinnae, up to 13 by 2.5 cm in sterile pinnae, up to 18 by 1.2 cm in fertile pinnae, shortly stalked or sessile in upper pinnae, chartaceous, deep green, glabrous; veins visible on lower surface. Sori continuous from base nearly to apex of pinnae; indusia thin but firm , brown. Distribution in Thailand NORTH-EASTERN: Loei; SOUTH-EASTERN: Chon Buri, Chanthaburi; PENINSULAR: Surat Thani, Satun. Distribution in Cambodia Pursat Wider Distribution China and Indochina. Ecology On rather dry mountain slopes in mixed forests at medium altitudes. 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
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Pteris plumbea Christ