Lindsaea integra Holttum

Family

Lindsaeaceae

Nomenclature

Lindsaea integra Holttum, Gard. Bull. Straits Settlem. 5: 67, f. 6. 1930; Kramer, Fl. Males., Ser. II, Pterid. 1: 223, f. 32. 1971; Kramer, Gard. Bull. Singapore 26: 35. 1972; Tagawa & K.Iwats., Fl. Thailand 3: 140. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 92. 2000.

Lindsaea nitida auct. non Copel.: Holttum, Rev. Fl. Malaya ed. 1, 2: 333, f. 191. 1955 [‘1954’].

Description

Rhizome short creeping, bearing close fronds, with small scales. Stipes stramineous or slightly purplish on under side, quadrangular in section, up to 25 cm long. Frond simply pinnate or bipinnate with one or two lateral pinnae like terminal one but smaller in size; pinnae of bipinnate fronds or simple fronds linear-lanceolate, gradually narrowing towards acute apex, up to 15 cm long, 2–3 cm wide; pinnules to 25 pairs, gradually becoming smaller upwards, oblique, ascending, straight to rounded at upper edge, rounded at apex, straight or a little curved at lower edge, narrowly cuneate at base, subsessile or very shortly stalked in larger ones, up to 15 by 6 mm, herbaceous; veins less visible, irregularly anastomosing. Sori at upper edge and apex, nearly continuous or rarely interrupted; indusia firm , reaching the edge of leaflets.

Distribution in Thailand

PENINSULAR: Satun, Yala.

Wider Distribution

Peninsular Malaysia, Sumatra and Borneo.

Ecology

On rocks by streams at low altitude.

Proposed IUCN Conservation Assessment

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

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.