Lindsaea napaea Alderw.
Lindsaea napaea Alderw., Bull. Jard. Bot. Buitenzorg, Ser. 2, 20: 19, t. 3. 1915; Holttum, Rev. Fl. Malaya ed. 1, 2: 330. f, 189. 1955 [‘1954’]; Kramer, Fl. Males., Ser. II, Pterid. 1: 217. 1971; Kramer, Gard. Bull. Singapore 26: 33. 1972; Tagawa & K.Iwats., Fl. Thailand 3: 138. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 93. 2000.
Rhizome short creeping, about 1.5 mm diam., bearing close fronds, sparsely scaly with short (usually up to 1 mm long), narrow, brown scales. Stipes stramineous, dark at base, up to 18 cm long. Laminae simply pinnate, or more frequently bipinnate with one or two pairs of lateral pinnae, quite similar to the simply pinnate fronds; lateral pinnae subsessile or shortly stalked, more or less curving upwards, narrowly oblong, slightly narrowing towards base, gradually narrowing towards long-acuminate apex, up to 12 by 2.5 cm; terminal pinnae somewhat larger than lateral ones; pinnules oblong or subquadrangular, patent to broadly oblique, lobed to 1/4 way on upper edge, rounded and more or less lobed at apex, dimidiately straight or slightly curved at lower edge, crenate at base, up to 13 by 5 mm, thin but firm; veins visible on both surfaces, but not raised, anastomosing or free in smaller pinnules. Sori narrow, up to 1.5 mm long; indusia firm, almost reaching the margin of lobes.
Distribution in Thailand
Malay Peninsula, Sumatra, and Lingga Is.
Terrestrial in evergreen forests at about 700 m alt.
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is widespread and not under any known threat.
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