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

85. Dryopteris blanfordii (C. Hope) C. Christensen, Index Filic. 254. 1905.

西域鳞毛蕨 xi yu lin mao jue

Plants ca. 90 cm tall. Rhizome obliquely ascending or creeping, stout, clothed with oblong-lanceolate, brown scales. Fronds caespitose; stipe pale brown, ca. 30 cm, ca. 4.5 mm in diam., grooved, densely scaly; scales brown, dark brown, or black, oblong, serrate, apex long acuminate, scales sparser and smaller upward, lanceolate to linear; lamina ovate-oblong or deltoid-ovate, ca. 65 × 30 cm, widest at middle, tripinnatipartite, base slightly narrowed, apex acuminate; pinnae ca. 15 pairs, alternate, spreading, lanceolate or oblong-lanceolate, shortly stalked, apex long acuminate, middle and lower pinnae longer, 11-15 × 2.5-4 cm, slightly narrowed toward base; pinnules approximate, basal basiscopic pinnule shortened, lanceolate or oblong-lanceolate, apex acute; other pinnules oblong, 1.5-2 × 6-8 mm, slightly oblique at base, apex sharply serrate; segments oblong, apex with or without 2 or 3 sharp teeth. Lamina herbaceous to thinly papery, with linear, brown scales on abaxial side of costae and costules; veins pinnate, forked, obscure adaxially, visible abaxially. Sori in 1 row on each side of costule; indusia orbicular-reniform, membranous, margin entire.

Picea or Abies forests; 2900-3500 m. Gansu, Sichuan, Xizang, Yunnan [Afghanistan, India, Kashmir, Nepal, Pakistan].

1 Scales on stipe brown; segment apex with 2 or 3 sharp serratures.   85a subsp. blanfordii
+ Scales on stipe dark brown or black; segment apex rarely sharply serrate.   85b subsp. nigrosquamosa

Lower Taxa


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