Family

Dryopteridaceae

Nomenclature

Elaphoglossum malayense Holttum, Blumea 14: 322. 1966; Holttum, Fl. Males., Ser. II, Pterid. 1: 308. 1978; Tagawa & K.Iwats., Fl. Thailand 3: 308. 1988; Boonkerd & Pollawatn, Pterid. Thailand: 151, 186. 2000.

Elaphoglossum callifolium auct. non (Blume) T.Moore: Tardieu & C.Chr., Fl. Indo-Chine 7(2): 541. 1941; Holttum, Rev. Fl. Malaya ed. 1, 2: 459, f. 269. 1955 [‘1954’]; Tagawa & K.Iwats., SouthE Asian Stud. 5: 90. 1967.

Description

Rhizome short, densely covered with scales; scales brown, membranous, oblong-lanceolate, up to 1.7 by 0.4 cm, entire or with irregular projections at margin. Sterile frond: stipe 8–12 cm long, stramineous with dark base, slightly winged on upper part, scales at base dense like those on rhizome becoming more sparse upwards; lamina oblong-lanceolate to linear-lanceolate, occasionally elliptic, gradually narrowing towards both ends, 20–40 by 2.5–5.5 cm, entire, narrowly marginate with cartilaginous membrane; midrib raised on both surfaces, very sparsely minutely scaly or glabrescent; coriaceous, veins visible on both surfaces, green, usually brownish in dried specimens. Fertile frond: stipe 12–17 cm long; lamina elliptic , gradually narrowing towards both ends, 12–17 cm long, about 2.5 cm broad.

Distribution in Thailand

NORTHERN: Phitsanulok; NORTH-EASTERN: Loei; EASTERN: Nakhon Ratchasima; SOUTH-EASTERN: Chanthaburi; PENINSULAR: Surat Thani, Phangnga, Nakhon Si Thammarat, Trang, Yala.

Wider Distribution

Vietnam and Peninsular Malaysia.

Ecology

On mossy tree trunks or on mossy rocks in dense evergreen forests usually at 1000–1500 m alt., locally abundant.

Proposed IUCN Conservation Assessment

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

Voucher specimens - Thailand

Middleton et al. 5078, Phitsanulok, Phu Hin Rong Kla National Park (E).