Northeastern Asian Flora
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Nephrolepis cordifolia (L.) C.Presl  
Family: Polypodiaceae
[Aspidium cordifolium (L.) Sw., moreAspidium tuberosum Bory ex Willd., Nephrodium tuberosum (Bory ex Willd.) Desv., Nephrolepis auriculata (L.) Trimen, Nephrolepis cordifolia var. tuberosa (Bory ex Willd.) Baker, Nephrolepis exaltata var. tuberosa (Bory ex Willd.) Kuntze, Nephrolepis pendula J.Sm., Nephrolepis undulata J.Sm., Polypodium cordifolium L.]
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  • Japan Flora
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Japan Flora: Evergreen; rhizomes short, ascending, covered with the persistent stubs of old stipes; stolons wiry, with a few globose densely scaly tubers, the scales thinly membranous, pale brown, linear-lanceolate, 7-10 mm. long, about 1 mm. wide, filiform at the tip, sparsely ciliate; fronds glabrous, tufted; stipes short, 5-10 cm. long, 2-3 mm. wide, nearly terete, the scales prominent, rounded, long-ciliate; blades linearJance- olate to broadly linear, 25-50 cm. long, 3-6 cm. wide, narrowed at both ends, simply pinnate; pinnae many, spreading, nar­rowly oblong, 5-7 mm. wide, obtuse, appressed-toothed, sessile, rounded to subtruncate on posterior side at base, triangularly auriculate and subcordate on anterior side at base, the lower pinnae broader and shorter, oblong to elliptic, rounded at the tip; sori submarginal or nearly median between the costa and the margin; indusia obliquely reniform, attached at base, en­tire, about 1 mm. wide. Thin woods and roadsides in hills near the sea; Honshu (Izu, Kii, and Nagato Prov.), Shikoku, Kyushu; locally common.

Ryukyus, Formosa, China, and generally throughout the Tropics and subtropics of the Old World

Nephrolepis cordifolia
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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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