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

87. Dryopteris kwanzanensis Tagawa, Acta Phytotax. Geobot. 7: 186. 1937.

拟倒鳞鳞毛蕨 ni dao lin lin mao jue

Plants up to 1 m tall. Rhizome erect, densely scaly. Fronds caespitose; stipe stramineous, ca. 35 cm, base scaly, scales castaneous, lanceolate to ovate, ca. 10 × 5 mm, margin denticulate, apex acuminate; lamina oblong, ca. 50 × 30 cm, ± tripinnate; pinnae subopposite, lanceolate, base truncate, shortly stalked, apex long acuminate, basal ones larger, ca. 20 × 5 cm; rachis stramineous, sulcate, glabrous adaxially, sparsely clothed abaxially with lanceolate, brown scales ca. 5 mm; pinnules suboblique, triangular-lanceolate, glabrous abaxially, sparsely clothed adaxially with linear or fibrillose scales ca. 3 × 1 mm, base broadly cuneate, shortly stalked, apex obtuse; segments oblong, margin incised-serrate, apex rounded or subtruncate, basiscopic segments ca. 7 × 3 cm. Lamina subleathery, costa and veins impressed adaxially. Sori orbicular, in 1 row on each side of costa; indusia orbicular-reniform, persistent.

● Mountains, coniferous forests; 2700-3200 m. Taiwan (Taikou).

Dryopteris amoena Ching (Bull. Fan Mem. Inst. Biol., Bot. 8: 454. 1938), described from Taiwan (Mt. Arisan), was synonymized with D. kwanzanensis by Fraser-Jenkins (Bull. Brit. Mus. (Nat. Hist.), Bot. 14: 207. 1986).


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