Lindsaea doryphora K.U.Kramer

Family

Lindsaeaceae

Nomenclature

Lindsaea doryphora K.U.Kramer, Blumea 15: 566. 1968; Kramer, Fl. Males., Ser. II, Pterid. 1: 227, f. 35. 1971; Kramer, Gard. Bull. Singapore 26: 38. 1972; Tagawa & K.Iwats., Fl. Thailand 3: 140. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 91. 2000.

Lindsaea lancea auct. non (L.) Bedd.: Bedd., Handb. Ferns Brit. India: 75. 1883, p.p.

Lindsaea scandens var. terrestris Holttum, Rev. Fl. Malaya ed. 1, 2: 327. 1955 [‘1954’]; Holttum, Dansk Bot. Ark. 20: 25. 1961.

Description

Rhizome terrestrial, short to rather long creeping, scaly; scales bright brown, up to 1.5 mm long, stiff. Stipes stramineous, up to 30 cm or more long, usually longer than laminae. Laminae usually bipinnate, or rarely with simply pinnate laminae on the same plants, 15–35 cm long, up to 20 cm wide; pinnae up to 6 pairs, ascending, oblong-lanceolate, moderately acute at apex, very shortly stalked, 10–20 by 3–5 cm; pinnules 15–20 pairs, dimidiate and crescent-shaped, rounded at upper edge to apex, truncate at acroscopic base and dimidiate and curved at lower edge, 1.5–2.5 cm long, up to 1 cm broad; terminal pinnae like lateral ones, usually larger in size, chartaceous; veins all free, more or less visible on both surfaces. Sori continuous along margin of lobes on upper edge as well as at apex, a little inside the margin; indusia thin, not reaching the margin of lobes.

Distribution in Thailand

PENINSULAR: Ranong, Surat Thani, Nakhon Si Thammarat, Trang, Satun, Yala, Narathiwat.

Wider Distribution

Burma (Tenasserim), Peninsular Malaysia, Borneo, W Java and the Philippines.

Ecology

Terrestrial or on rocks in evergreen jungles at low to medium altitudes.

Similar species

Lindsaea parasitica (Roxb. ex Griff.) Hieron.

Proposed IUCN Conservation Assessment

Least Concern (LC). This species is widespread and not under any known threat.

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