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

131. Dryopteris saxifraga H. Itô, Bot. Mag. (Tokyo). 50: 125. 1936.

虎耳鳞毛蕨 hu er lin mao jue

Dryopteris varia (Linnaeus) Kuntze subsp. saxifraga (H. Itô) Sugimoto; D. varia var. saxifraga (H. Itô) H. Ohba.

Rhizome ascending or erect, apex densely covered with brown, narrowly lanceolate scales. Fronds caespitose. Stipes stramineous, 10-15 cm, 1.5-2 mm in diam., base densely clothed with brown, lanceolate scales; scales hairlike and deflexed farther up. Lamina ovate-lanceolate, tripinnate or bipinnate; lowest basiscopic pinnule pinnatipartite, 20-35 × 10-15 cm, deeply cordate, acuminate. Pinnae 8-10 pairs, deltoid-ovate; basal pinna largest, 5-8 × 2-4 cm; basiscopic one larger than on acroscopic side. Pinnules 5-8 pairs, ovate-lanceolate; lowest basiscopic pinnule on lowest pinna markedly largest, pinnatipartite or pinnatisect. Segments obtuse. Veins obscure on both surfaces. Lamina thickly papery, green; rachis covered with spreading, brown, saccate scales; pinna rachis densely covered with brown, bullate scales abaxially. Sori nearer costa than margin; indusia brown, reniform, entire.

Temperate deciduous and needle-leaved forests. Jilin, Liaoning [Japan, Korea].


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