Arachniodes subreflexipinna (Ogata) Ching

Family

Dryopteridaceae

Nomenclature

Arachniodes subreflexipinna (Ogata) Ching, Acta Bot. Sin. 10(3): 260. 1962; Boonkerd & Pollawatn, Pterid. Thailand: 200. 2000. – Dryopteris subreflexipinna Ogata, J. Jap. Bot. 11: 30, f. 2. 1935. – Acrorumohra subreflexipinna (Ogata) H.Ito in Nakai & Honda, Nov. Fl. Jap. 4: 102. 1938; Shieh et al., Fl. Taiwan ed. 2, 1: 303. 1994.

Description

Terrestrial. Rhizome short, erect or ascending, scaly. Stipes to 45 cm long, green, sparsely scaly; lamina to 40 cm long, quadripinnate, overall lamina shape ovate, thin, glabrous, rachis somewhat zigzag; pinnae 7–8 pairs, ultimate segments oblong to ovate, margin undulate or dentate; veins free. Sori terminal on the veins.

Distribution in Thailand

NORTHERN: Phitsanulok.

Wider Distribution

Taiwan.

Proposed IUCN Conservation Assessment

Data Deficient (DD). This distribution of this species is rather obscure as it is currently only known from Taiwan and one collection from Thailand.

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