Athyrium setiferum C.Chr.
Athyrium setiferum C.Chr., Index Filic.: 146. 1905; Boonkerd & Pollawatn, Pterid. Thailand: 190. 2000. – Asplenium tenerum C.Hope, J. Bombay Nat. Hist. Soc. 12: 529, t. 4. 1899, non Roxb. 1816, nec Fée 1852; Tagawa & K.Iwats., Fl. Thailand 3: 448. 1988.
Terrestrial. Rhizome short, erect, bearing a few fronds at apex, scaly; scales narrow, with tailed apex, up to 8 by 1 mm, brown, entire. Stipes up to 35 cm long, stramineous, dark and scaly at broadened base. Laminae narrowly oblong, acuminate at apex, up to 30 by 15 cm, bipinnate-tripinnatifid; lower pinnae 3–5 cm apart, patent or slightly deflexed, narrowly oblong, acuminate at apex, auricled at acroscopic base, the upper pinnae smaller, ascending; pinnules oblong, oblique, round at apex, auricled or broadly cuneate at anterior and narrowly cuneate at posterior bases, subsessile or shortly stalked, about 1 by 0.5 cm, deeply lobed; lobes oblong, oblique, rounded to obtuse at apex, toothed; papyraceous, light green; veins pinnate, veinlets ending in teeth; a soft spine present at each junction between costa and costule and between veins and veinlets. Sori round to oblong, costular; indusia thin, all one-sided, crenate at margin .
Distribution in Thailand
NORTHERN: Chiang Mai.
Himalaya to Yunnan.
On humus-rich mountain slopes near streams in dense mossy forests at 2000–2500 m alt.
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is 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 16 November 2016.