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

46. Dryopteris yungtzeensis Ching, Bull. Fan Mem. Inst. Biol., Bot. 11: 60. 1941.

永自鳞毛蕨 yong zi lin mao jue

Plants up to 65 cm tall. Rhizome erect or obliquely ascending, densely scaly; scales brown, lanceolate or narrowly lanceolate, ca. 2 cm, entire. Fronds caespitose; stipe brown, ca. 10 cm, with dense, lanceolate or oblong-lanceolate, brown scales; lamina elliptic, ca. 55 cm, ca. 24 cm wide at middle, bipinnatisect, base narrowed, apex acuminate; pinnae 20-25 pairs, alternate, contiguous, often somewhat imbricate, middle pinnae ca. 12 cm, widest at base, ca. 2 cm wide, sessile, apex acuminate or acute; segments ca. 14 pairs, contiguous, slightly overlapped, especially basal ones, elliptic, often wider at middle, incised on sides, apex rounded-obtuse, deltoid-dentate. Lamina herbaceous; veins pinnate, forked, obscure adaxially, distinct abaxially. Sori 3-5 pairs on each segment, in 1 row on each side of costa; indusia brown, orbicular-reniform, entire.

● Forests; 2800-3000 m. Yunnan (Dêqên, Weixi).


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