Pyrrosia albicans (Blume) Ching
Pyrrosia albicans (Blume) Ching, Bull. Chin. Bot. Soc. 1: 72. 1935; Hovenkamp, Leiden Bot. Ser. 9: 153. 1986; Hovenkamp, Fl. Males., Ser. II, Ferns and Fern Allies 3: 151. 1998. – Nipholobus albicans Blume, Enum. PL. Jav.: 107. 1828. – Cyclophorus albicans (Blume) C.Presl, Epim. Bot.: 131. 1851. – Polypodium albicans (Blume) Mett., Farngatt. 1: 127. 1856. – Type: Reinwardt s.n. (L), Java.
Niphobolus flocciger Blume, Enum. Pl. Javae: 107. 1828. – Pyrrosia floccigera (Blume) Ching, Bull. Chin. Bot. Soc. 1: 71. 1935; Holttum, Rev. Fl. Malaya ed. 1, 2: 147. 1955 [‘1954’]; Holttum, Dansk Bot. Ark. 20:18. 1961; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 49. 1978; Tagawa & K.Iwats., Fl. Thailand 3: 500, f. 50.4 & 50.5. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 285. 2000; Newman et al., Checkl. Vasc. Pl. Lao PDR: 30. 2007.
Rhizome long creeping, 1–4 mm diam., bearing fronds 1–3 cm apart, densely scaly throughout; scales lanceolate, 5–14 mm long with tailed apex, 0.7 mm broad, dark brown to nearly black at central portion, the other part deep brown to paler, hairy at margin. Fronds simple. Stipes 2–5(–27) cm long, pale brown to darker, scaly at base, glabrescent. Laminae linear-lanceolate, 22–65 by 0.8–4(–5.7) cm, very gradually narrowing towards both apex and base; midrib distinctly raised beneath, veins hardly visible, anastomosing, upper surface glabrescent, lower surface densely covered with greyish to pale brown, stellate hairs with long arms or becoming glabrescent in older fronds; rigid coriaceous, fronds usually involute at margin. Sori round, distinct, covering the whole lower surface of the apical part of fronds, covered with hairs.
Distribution in Thailand
NORTHERN: Tak; SOUTH-WESTERN: Kanchanaburi; PENINSULAR: Nakhon Si Thammarat, Trang.
Distribution in Laos
W Malesia (Sumatra and Malay to the Philippines and Java).
On tree trunks or on rocks usually in light shade in mountain forests at medium altitudes.
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is widespread and not under any known threat.
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 24 January 2012