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FOC | Family List | FOC Vol. 2-3 | Thelypteridaceae | Thelypteris

2. Thelypteris fairbankii (Beddome) Y. X. Lin, K. Iwatsuki & M. G. Gilbert
[comb. nov.]

鳞片沼泽蕨 lin pian zhao ze jue

Basionym: Lastrea fairbankii Beddome, Ferns Brit. India, t. 254. 1866; Aspidium thelypteris (Linnaeus) Swartz var. squamigerum Schlechtendahl; L. thelypteris (Linnaeus) Bory var. squamigera (Schlechtendahl) Beddome; Nephrodium thelypteris (Linnaeus) Strempel var. squamigerum (Schlechtendahl) Hooker ["squamulosum"]; Thelypteris squamigera (Schlechtendahl) Ching ["squamulosa"].

Plants small, 14-26 cm tall. Rhizomes long creeping and branched, black, apices including stipe bases with sparse membranous, brownish ovate-lanceolate scales. Fronds remote; stipes slender, 6-18 cm, black at bases, distally stramineous, glabrous; laminae oblong-lanceolate or narrowly triangular-lanceolate, 8-10 × 3-5 cm, sometimes slightly tapering at bases, pinnate-pinnatifid, shortly acuminate and pinnatifid at apices; pinnae 10-12 pairs, alternate or subopposite, middle ones linear-lanceolate, 2-3 × 0.5-0.8 cm, truncate at bases, pinnatifid, shortly pointed at apices; segments oblong or triangular-lanceolate, usually reflexed at margins, entire, obtuse at apices. Veins pinnate in segments, lateral veins forked, veinlets reaching margins. Laminae somewhat leathery, glabrous, along rachises and costae sparsely pubescent adaxially, costae with sparse brownish, membranous, easily deciduous, ovate-lanceolate scales. Sori not seen.

Marshes. S Yunnan [S India; S Africa, Pacific islands (New Zealand)].


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