Lindsaea oblanceolata Alderw.
Lindsaea oblanceolata Alderw., Bull. Jard. Bot. Buitenzorg, Ser. 2, 23: 15. 1916; Tagawa & K.Iwats., Acta Phytotax. Geobot. 23: 54. 1968; Kramer, Fl. Males., Ser. II, Pterid. 1: 236. 1971; Kramer, Gard. Bull. Singapore 26: 46. 1972; Tagawa & K.Iwats., Fl. Thailand 3: 144, f. 10.4. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 93. 2000.
Lindsaea pectinata auct. non Blume: Tardieu & C.Chr., Fl. Indo-Chine 7(2): 124. 1939, p.p.; Holttum, Rev. Fl. Malaya ed. 1, 2: 324. 1955 [‘1954’]; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 93. 1967.
Rhizome long creeping or climbing, 1–2 mm diam., bearing stipes 1–5 cm apart, shining dark brown, scaly throughout; scales narrowly subtriangular, up to 3 by 0.5 mm, entire, brown, Stipe up to 6 cm long, castaneous to base, stramineous and quadrangular in section upwards. Laminae simply pinnate, linear or linear-lanceolate, up to 45 by 3.5 cm, gradually narrowing towards both apex and base; pinnae sessile, up to 50 or more pairs; middle ones larger, oblong or oblong-subdeltoid, up to 18 by 8 mm; lower edge straight or curved, patent or ascending, inner edge close to rachis, forming with lower edge nearly right angles at base, moderately acute to rounded at apex, moderately rounded at upper edge, serrate in sterile ones, serration less than 1 mm in depth, thin, herbaceous, green, but darker in dried specimens; veins distinct on both surfaces, all free except those joined by sori. Sori continuous along upper edge, or sometimes interrupted near rachis, placed a little inside the margin; indusia thin, not reaching the very margin of pinnae .
Distribution in Thailand
PENINSULAR: Surat Thani, Nakhon Si Thammarat, Trang, Yala.
Vietnam and throughout Malesia.
Terrestrial on humus-rich floor of forest, on rotten wood, or on mossy tree trunks in dense evergreen forests at 1000–1500 m alt.
Lindsaea repens (Bory) Thwaites var. pectinata (Blume) Mett. ex Kuhn
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is widespread and not under any known threat.
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