Northeastern Asian Flora
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Athyrium spinulosum (Maxim.) Milde   (redirected from: Athyrium sikkimense Love & Love)
Family: Aspleniaceae
[Asplenium spinulosum Baker, moreAsplenium spinulosum var. subtriangulare C.B.Clarke, Asplenium subtriangulare Hook., Athyrium hookerianum T.Moore, Athyrium longipes Christ, Athyrium sikkimense Love & Love, Athyrium spinulosum var. subtriangulare C.Chr, Athyrium subtriangulare (Hook.) Bedd., Athyrium subtriangulare var. sikkimensis Bir, Cystopteris spinulosa Maxim., Pseudocystopteris decipiens Ching & S.K.Wu, Pseudocystopteris longipes (Christ) Ching, Pseudocystopteris purpurascens Ching & S.K.Wu, Pseudocystopteris reflexipinnula Ching & S.K.Wu, Pseudocystopteris remota Ching, Pseudocystopteris spara Ching & S.K.Wu, Pseudocystopteris spinulosa (Maxim.) Ching, Pseudocystopteris spinulosa var. taipaishanensis Ching, Pseudocystopteris subtriangularis (Hook.) Ching, Pseudocystopteris tibetica Ching]
Athyrium spinulosum image
  • Japan Flora
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Japan Flora: Rhizomes slender, creeping, re­motely leaved; stipes straw-colored, 40-50 cm. long, sparsely scaly, usually longer than the blades; scales membranous, 6-10 mm. long, 1-4 mm. wide, pale brown, entire; blades deltoid, 20-30 cm. long, slightly wider than long, abruptly acuminate, glabrous, 3-pinnate, the rachis glabrous but puberulent on up­per side at insertion of the pinnae; pinnae 5-6 pairs, acumi­nate, the lowest ones largest, narrowly ovate, 7-12 cm. wide, short-petiolulate, with a pair of much-reduced pinnules above the base, the upper pinnae rather abruptly reduced; pinnules oblong-ovate, 7-10 mm. long, 3-5 mm. wide, obtuse, sessile, pinnatiparted, with few, rather prominent, spine-tipped teeth on upper margin; sori rounded, about 1 mm. across, sub- costular; indusia thinly membranous, minute, whitish, sparsely fimbriate. Coniferous woods in mountains.

Honshu (centr. distr.); rare. Sakhalin, Korea, Manchuria, China to e. Si­beria, and the Himalayas.

Athyrium spinulosum
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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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