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

33. Dryopteris alpicola Ching & Z. R. Wang, Acta Phytotax. Sin. 23: 349. 1985.

高山金冠鳞毛蕨 gao shan jin guan lin mao jue

Dryopteris chrysocoma (Christ) C. Christensen var. alpina Ching, Bull. Fan Mem. Inst. Biol., Bot. 8: 438. 1938, not D. alpina Rosenstock (1913).

Plants 25-40 cm tall. Rhizome obliquely ascending, short, densely clothed with linear and linear-lanceolate scales. Fronds caespitose; stipe brown or dark stramineous or ferruginous, 5-10 cm, densely scaly; scales brown, lanceolate or narrowly lanceolate, entire; lamina narrowly elliptic, 20-30 cm, 8-10 cm wide at middle, once pinnate-pinnatifid, base narrowed, 3-5 cm wide, apex acuminate; pinnae 10-15 pairs, alternate, slightly ascending, lanceolate, middle pinnae 4-5 × ca. 1.5 cm, basal 2 or 3 pairs shortened, most basal pairs 2-3 cm, sessile, apex obtuse-acute; segments 6-8 pairs, oblique, oblong, ca. 7 × 4 mm, with obtuse, deltoid-dentate apex. Lamina herbaceous, thin, with sparse glandular hairs adaxially, with linear brown scales and glandular hairs abaxially, densely clothed with linear-lanceolate scales along rachis and costa; veins pinnate, 2-forked, impressed adaxially, raised abaxially with a distinct hydathode. Sori in 1 row on each side of costa or 2 or 3 pairs on apical part of basal veinlets; indusia slightly thick, completely covering sorus at maturity, with short glandular hairs and linear scales.

Alpine grasslands or Picea or Abies forests; 2800-3400 m. Sichuan (Muli), NW and W Yunnan [Nepal].


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