Northeastern Asian Flora
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Athyrium reflexipinnum Hayata  
Family: Aspleniaceae
[Athyrium oppositipennum var. pubescens (Tagawa) Tagawa]
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  • Japan Flora
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Japan Flora: Rhizomes ascending, short, densely covered with the stubs of old stipes; fronds slender, glabrous, tufted; stipes few, slender, straw-colored, 5-12 cm. long, sparsely scaly toward the base; scales membranous, lanceolate to linear-lanceolate, 3-4 mm. long, 03-0.7 mm. wide, entire, pale brown, deciduous; blades thinly herbaceous to membranous, broadly lanceolate or sometimes lanceolate-deltoid, 10-15 cm. long, 3-4.5 cm. wide, caudately acuminate, somewhat narrowed toward the base, green, paler beneath, the rachis slender; pinnae 8-11 pairs, sessile, more or less reflexed except the upper ones, nar­rowly deltoid-ovate to broadly lanceolate, 2-2.5 cm. long, 7-9 mm. wide, acute to subacute, acutely toothed, truncate on upper side at base, cuneate on lower side, pinnately parted to cleft; pinnules elliptic to oblong, larger on upper (anterior) side of pinnae; sori one to few on each pinnule, costal and costular; indusia ovate and straight or athyrioid, erose-dentate, about 0.5 mm. across. Mountains.

Kyushu (Yakushima); rare. Formosa.

Athyrium reflexipinnum
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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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