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FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Dryopteris

104. Dryopteris lepidorachis C. Christensen, Index Filic. 274. 1906.

轴鳞鳞毛蕨 zhou lin lin mao jue

Polypodium rheosorum Baker, Ann. Bot. (Oxford) 5: 457. 1891, not Baker (1884); Dryopteris basitripinnatifida Ching & Z. Y. Liu; D. championii (Bentham) C. Christensen ex Ching var. rheosora K. H. Shing; D. lepidocaulon Ching & P. S. Chiu; Nephrodium rheosorum Handel-Mazzetti.

Rhizome ascending, densely covered with scales at apex. Fronds caespitose. Stipes 15-25 cm, densely scaly; scales at base dark brown, lanceolate, 1-1.5 cm; scales above ovate, 4-5 × 3-4 mm, caudate at apex, toothed at margin. Lamina ovate-lanceolate, 25-50 × 20-30 cm, bipinnate. Pinnae 10-12 pairs, subopposite below, alternate above, lanceolate, 8-15 × 2-4 cm, approximate. Pinnules 10-13 pairs, oblong-lanceolate, 1-2 cm × ca. 5 mm, cordate, stalked, serrate or pinnatilobate, apex obtuse and serrulate. Rachis densely covered with ovate scales like those on upper part of stipe; pinna rachis densely covered with lanceolate scales and bullate scales. Veins pinnate; veinlets simple or forked, obscure adaxially, visible abaxially. Lamina herbaceous, dark green, glabrous adaxially, with small scales abaxially. Sori nearer to margin than to costa; indusia brown, reniform.

● Subtropical broad-leaved evergreen forests. Anhui, Fujian, Jiangsu, Jiangxi, Zhejiang.


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