Etymology

Named after Charles Samuel Pollock Parish (1822 - 1897) who collected the type specimen of Drynaria parishii in Burma.

Family

Polypodiaceae

Nomenclature

Drynaria parishii (Bedd.) Bedd., Suppl. Ferns S. Ind.: 24. 1876; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 520. 1941; Tagawa, J. Jap. Bot. 38: 329. 1963; Tagawa & K.Iwats., Acta Phytotax. Geobot. 24: 175. 1970; Tagawa & K.Iwats., Fl. Thailand 3: 548, f. 55.2 & 55.3. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 269. 2000; Newman et al., Checkl. Vasc. Pl. Lao PDR: 29. 2007. – Pleopeltis parishii Bedd., Ferns Brit. India t. 125. 1866. – Type: Parish, Moulmein.

Description

Rhizome long creeping, up to 1 cm diam., densely scaly throughout; scales persistent, narrowing from peltate base to attenuate apex, pale brown with still paler margin and dark central point, about 6 by 1.5 mm, marginate with long downy white hairs. Nest-leaves wanting. Foliage-leaves: stipes stramineous, 5–10 cm long on scaly phyllopodia, scaly at base with scales similar to rhizome scales, very narrowly winged almost to the base; laminae oblong, up to 28.5 by 20 cm, deeply lobed almost to the rachis resulting in very narrow wings on rachis less than 2 mm in breadth; lobes (3–)5–9 (–11) pairs, oblanceolate, broadest usually at 1/3 length from apex, slightly narrowing to base, moderately acute to acuminate at apex, subentire and more or less crisped at margin, up to 11 by about 2 cm, patent or slightly ascending; veins raised on lower surface, anastomosing, 3–5 rows of areoles between adjacent main veins, with included free veinlets; chartaceous, green to paler. Sori round, in one row on each side of costa, rather close to costa , one between main veins, raised on upper surface.

Distribution in Thailand

NORTHERN: Mae Hong Son, Chiang Mai, Lamphun, Tak; SOUTH-WESTERN: Kanchanaburi.

Distribution in Laos

Salavan.

Wider Distribution

Burma and Vietnam.

Ecology

On mossy tree trunks in dense evergreen forests usually on ridges at 600–1300 m alt.

Proposed IUCN Conservation Assessment

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

Voucher specimens - Thailand

Middleton et al. 4958, Mae Hong Son, Ban Mae Yom Noi (E); Maxwell 00-279, Chiang Mai (CMU).