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FOC | Family List | FOC Vol. 2-3 | Hymenophyllaceae | Didymoglossum

3. Didymoglossum motleyi (Bosch) Ebihara & K. Iwatsuki, Blumea. 51: 236. 2006.

细柄单叶假脉蕨 xi bing dan ye jia mai jue

Microgonium motleyi Bosch, Hymenophyll. Javan. 5. 1861; M. beccarianum (Cesati) Copeland; Trichomanes beccarianum Cesati; T. motleyi (Bosch) Bosch.

Plants small, less than 1 cm tall. Rhizome densely covered with dark brown multicellular hairs. Laminae 1-3 mm apart or closely spaced and slightly imbricate to neighboring ones, subsessile or on very short hairy stipes, brown and powdery when dry, ovate, oblong, or linear-oblong, 5-6 mm, membranous, with very fine radiating veins and a short main vein, marginal continuous veinlets absent, base broadly rounded and truncate, margin entire or rarely crisped, apex obtuse. Sori single, terminating segments; involucres usually protruding, tubular, ca. 2 mm. 2n = 68.

Base of tree trunks in dense primary forests, also on moss-covered rocks; 100-400 m. S and SE Taiwan [Japan (Ryukyu Islands), Malesia, Myanmar, Sri Lanka, Thailand; Australia (Queensland), Pacific islands (Melanesia, Micronesia)].


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