Northeastern Asian Flora
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Deparia japonica (Thunb.) M.Kato   (redirected from: Athyrium oshimense Christ)
Family: Aspleniaceae
[Asplenium japonicum Thunb., moreAthyriopsis japonica (Thunb.) Ching, Athyriopsis japonica var. oshimensis (Christ) Ching, Athyriopsis japonica var. variegata W.M.Chu & Z.R.He, Athyrium japonicum (Thunb.) Copel., Athyrium oshimense Christ, Athyrium petiolata Ching, Athyrium rigidulum Nakai, Diplazium japonicum (Thunb.) Makino, Diplazium japonomettenianum Nakai, Diplazium oshimense (Christ) H.It?, Diplazium thunbergii Nakai ex Momose, Lunathyrium japonicum (Thunb.) Sa.Kurata, Lunathyrium japonicum var. musashiense H.Ohba]
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  • Japan Flora
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Japan Flora: Rhizomes creeping, branched, about 2 mm. across; stipes 15-35 cm. long, slender, the scales on lower half lanceo­late to broadly so, 5-10 mm. long, 1.5-3 mm. wide, brown, entire, those on the upper half linear-lanceolate to linear, 2-3 mm. long, 0.2-1 mm. wide; blades herbaceous, broadly lanceo­late to narrowly oblong-ovate, 25-40 cm. long, 8-15 cm. wide, acuminate, usually scarcely narrowed at base, pinnate, nearly glabrous to thinly pubescent on both sides; pinnae pinnately- cleft to sometimes parted, lanceolate, 1-2 cm. wide, acuminate, spreading, or the lowest pair slightly reflexed, sessile, truncate and nearly equilateral at base, sessile, the upper pinnae small and adnate to rachis at base; pinnules elliptic, 4-7 mm. wide, rounded to obtuse, crenate; sori 6-10 on each pinnule, median; indusia lanceolate to broadly linear, 2-3.5 mm. long, closely parallel, ascending, solitary or sometimes dipkzioid in the lowest acroscopic one, minutely erose to ciliolate.  Shaded places in lowlands and foothills

Honshu, Shikoku, Kyushu; common.  Korea, Ryukyus, Formosa, China, and India.

var. dimorphophyllum (Koidz.) Ohw. Plant stouter; fronds slighdy di­morphic, usually thinly pubescent on both sides at least while young; rhizomes 3-4 mm. across; stipes 20-50 cm. long, sparingly scaly; scales linear-lanceolate to lanceolate, pale brown, 5-12 mm. long; blades ovate-oblong to ovate, 20-50 cm. long, 20-30 cm. wide, not narrowed at base; pinnae 8-10 pairs, broadly lanceolate, 1.5-3 cm. wide, the pinnules nar­rowly ovate-oblong. Shaded places; Honshu, Shikoku, Kyushu.

var. kiusianum (Koidz.) Ohwi. Larger and denser pubescent; scales abundant on stipes and rachis. Kyushu (centr. distr.)

Deparia japonica
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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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