Northeastern Asian Flora
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Cheiropleuria bicuspis (Blume) C.Presl  
Family: Dipteridaceae
[Acrostichum bicuspe var. integrifolia D.C.Eaton ex Hook., moreAcrostichum bicuspe var. integrifolium D.C.Eaton ex Hook., Cheiropleuria bicuspis var. integrifolia (D.C.Eaton ex Hook.) Matsum., Cheiropleuria integrifolia (D.C.Eaton ex Hook.) M.Kato, Y.Yatabe, Sahashi & N.Murak., Polypodium bicuspe Blume]
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  • Japan Flora
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Japan Flora: Firm evergreen fern; rhizomes creeping, with close stipes, 4-8 mm. across, densely covered with pale brown hairs 4-6 mm. long; stipes 15-40 cm. long, lustrous, straw-colored, glabrous in upper part, hairy at base, those of the fertile fronds slightly longer than the sterile; sterile blades coriaceous-herbaceous, nearly concolorous, broadly lanceolate to ovate, 8-20 cm. long, 2- 8 cm. wide, obtuse, entire or bifid at apex, rounded at base and then abruptly acute, 3- to 5-nerved; fertile blades broadly linear, 10-18 cm. long, about 1 cm. wide, 3-nerved, the lateral nerves marginal; sporangia densely covering the surface except on the costa. Hills and low mountains.

Honshu (Izu Isis., Totomi Prov., and s. Kinki Distr.), Shikoku, Kyushu; rare. Ryukyus, Formosa, and China to Malaysia.

 

Cheiropleuria bicuspis
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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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