Asplenium perakense C.G.Matthew & Christ




Asplenium perakense C.G.Matthew & Christ, J. Soc. Bot. 39: 214. 1909; Holttum, Rev. Fl. Malaya ed. 1, 2: 429, f. 248. 1955 [‘1954’]; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 88. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 286. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 144. 2000.


Epiphytic or lithophytic. Rhizome short, suberect, bearing a tuft of fronds, densely scaly; scales gradually narrowing from base towards hair-pointed apex, entire, or with a few long projections near base, up to 10 by 1 mm at base, brown. Stipes polished black to dark brownish-purple, scaly throughout, 10–25 cm long. Laminae narrowly oblong, acute at apex, a little reduced downwards, up to 40 by 16 cm; rachis like the upper part of stipe, scaly with narrow scales; pinnae 15–20 pairs, stalked, middle ones the largest, ascending, narrowly subtriangular, caudately acuminate at apex, auricled at acroscopic and cuneate at basiscopic bases, lobed nearly to costa, up to 8 by 2.5 cm; lobes oblong or quadrangular, oblique, dentate at apex, usually 5–7 mm wide; softly chartaceous to chartaceous, veins visible. Sori long, crescent-shaped, 1–4 for each lobe; indusia herbaceous .

Distribution in Thailand

SOUTH-WESTERN: Prachuap Khiri Khan; PENINSULAR: Nakhon Si Thammarat.

Wider Distribution

Peninsular Malaysia.


On mossy tree-trunks or on moist rocks in lower montane forests at 1000–1700 m alt.

Proposed IUCN Conservation Assessment

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

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