Dicranopteris curranii Copel.

Family

Gleicheniaceae

Nomenclature

Dicranopteris curranii Copel., Philipp. J. Sci. 81: 4. 1952; Holttum, Reinwardtia 4: 274. 1957; Holttum, Fl. Males., Ser. II, Pterid. 1: 31. 1959; Holttum, Rev. Fl. Malaya, ed. 2, 2: 630. 1968; Tagawa & K.Iwats., SouthE. Asian Stud. 3(3): 72. 1965; Tagawa & K.Iwats., SouthE Asian Stud. 5: 35. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 54. 1979; Boonkerd & Pollawatn, Pterid. Thailand: 78. 2000.

Gleichenia dichotoma var. malayana Christ, Ann. Jard. Bot. Buitenzorg 15: 77. 1898. – Gleichenia linearis var. malayana (Christ) Alderw., Handb.: 59. 1908; Holttum, Rev. Fl. Malaya ed. 1, 2: 70. 1955 [‘1954’].

Description

Terrestrial. Rhizome dichotomously branched, near the apex protected by peltate scales, long creeping, 3–5 mm in diameter, bearing fronds usually more than 10 cm apart, densely hairy throughout; hairs dark brown, stiff. Fronds of mature plants usually with indefinite growth in length, bearing primary branches in pairs. Stipes stramineous, to more than 1 m long below the first fork, the dormant apex of rachis densely hairy. Pinnae 2 or 3 times forked with equal branches; branches sessile or very shortly stalked, oblong or narrowly oblong, acuminate at apex, gradually narrowing towards base, 20–40 cm long, 8–12 cm wide; ultimate segments linear, round or retuse at apex, entire and sometimes reflexed at margin, to 7 cm long, 5 mm broad, the costules 5–8 mm apart; veins pinnate, veinlets simple, not raised, texture chartaceous or leathery, green, glabrous. Sori medial or costular, dorsal at basal acroscopic veinlets.

Distribution in Thailand

SOUTH-WESTERN: Phetchaburi; CENTRAL: Nakhon Nayok; PENINSULAR: Ranong, Trang, Yala.

Distribution in Cambodia

Unspecified.

Wider Distribution

Malesia.

Ecology

On rather dry slopes in open areas at edge of forest at low or medium altitudes.

Proposed IUCN Conservation Assessment

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

Voucher specimens - Cambodia

Viboth R48-2 (P).

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