Elaphoglossum malayense Holttum

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).

Habit

Habit

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 16 November 2016.