Tapeinidium luzonicum (Hook.) K.U.Kramer

Family

Lindsaeaceae

Nomenclature

Tapeinidium luzonicum (Hook.) K.U.Kramer, Blumea 15: 552. 1968; Kramer, Fl. Males., Ser. II, Pterid. 1: 191, f. 11. 1971; Kramer, Gard. Bull. Singapore 26: 8. 1972; Tagawa & K.Iwats., Fl. Thailand 3: 146, f. 10.5. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 96. 2000. – Davallia luzonica Hook., Sp. Fil. 1: 174, t. 60B, f. 2, 3 & 5. 1845.

Tapeinidium biserratum auct. non (Blume) Alderw.: Holttum, Rev. Fl. Malaya ed. 1, 2: 339, f. 197. 1955 [‘1954’]; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 75. 1967.

Description

Rhizome creeping, about 4 mm diam., bearing fronds more than 1 cm apart, nearly black, densely scaly throughout; scales up to 4 by 0.3 mm, brown, shining, stiff. Stipes up to 40 cm long, stramineous or purplish, darker and scaly towards base, grooved on adaxial surface of upper part. Laminae bipinnate to tripinnatifid, about 35 by 30 cm; rachis like the upper part of stipes, pale green; lateral pinnae more than 20 pairs, lower several pairs larger, 3–6 cm apart, shortly stalked, lanceolate to oblong-lanceolate, caudately acuminate at apex, cuneate at base, up to 17 by 5 cm at widest middle portion; upper ones gradually becoming smaller; pinnules sessile, lanceolate to narrowly oblong, up to 3.5 cm long, 4 mm broad, shallowly lobed at margin, subcoriaceous; veins forked, hardly visible. Sori as in the preceding species .

Distribution in Thailand

PENINSULAR: Nakhon Si Thammarat, Trang.

Wider Distribution

W and C Malesia.

Ecology

On mountain slopes in dense evergreen forests & at about 1400 m alt.

Proposed IUCN Conservation Assessment

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

Voucher specimens - Thailand

Middleton et al. 1993, Trang, Phu Pha Mek (A, BKF).

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.