Northeastern Asian Flora
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Dryopteris wallichiana (Spreng.) Hyl.   (redirected from: Dryopteris parallelogramma (Kunze) Alston)
Family: Dryopteridaceae
[Aspidium donianum Spreng., moreAspidium paleaceum D.Don, Aspidium parallelogrammum Kunze, Aspidium patentissimum Wall., Aspidium wallichianum Spreng., Dryopteris cyrtolepis Hayata, Dryopteris doiana Tagawa, Dryopteris doniana (Spreng.) Ching, Dryopteris paleacea (Sw.) C.Chr., Dryopteris parallelogramma (Kunze) Alston, Dryopteris quatanensis Ching, Dryopteris wallichiana var. himalaica Ching & S.K.Wu, Nephrodium parallelogrammum f. patentissimum (Wall. ex Kunze) C.Hope]
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  • Japan Flora
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Japan Flora: Rhizomes erect, stout, to 20 cm. long; fronds large; stipes 30-40 cm. long, about 1.5 cm. across near base, brown, densely scaly; scales chartaceous, lanceolate to linear, 1-2 cm. long, 1-3 mm. wide, gradually long-attenuate, entire or sparsely and minutely toothed, lustrous, dark brown with darker striations; blades lanceolate, 1-2 m. long, 30-40 cm. wide, acuminate, gradually narrowed at base, bipinnatiparted; rachis straw-colored, with dense, linear scales; pinnae subcoriaceous, linear-lanceolate, 2-3 cm. wide, caudately long-acuminate, sessile, horizontally spreading, the costa with filiform scales above, with linear to broadly linear scales beneath; pinnules narrowly oblong, 6-8 mm. wide, rounded to subtruncate at apex, cartilaginous­toothed; sori median, or slightly nearer the costules than the margin of the segments; indusia orbicular-reniform, about 1 mm. across, entire, glabrous.

Kyushu (Sakurajima); rare. Formosa and China to the Himalayas.

Dryopteris wallichiana
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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