Northeastern Asian Flora
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Asplenium incisum Thunb.  
Family: Aspleniaceae
[Asplenium elegantulum Hook.]
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  • Japan Flora
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Japan Flora: Rhizomes short, ascending, the scales membranous, broadly linear, 3-4 mm. long, gray-brown, en­tire; fronds smooth, somewhat dimorphic, the sterile ones smaller, 5-15 cm. long, with a short stipe 1-3 cm. long, the fertile erect, larger, 30 cm. long or more, with stipes 2-5 cm. long; blades oblanceolate, 7-30 cm. long, 2-7 cm. wide, acumi- base, the sterile fronds pinnate to bipinnatiparted, the fertile ones 2- or 3-pinnatiparted, the rachis green on upper side, mostly chestnut-brown beneath near base; pinnae herbaceous, very short-petiolulate or sessile, spreading, acutely to obtusely mucronate-toothed, the median fertile pinnae lanceolate-del­toid, 6-35 mm. long, 7-15 mm. wide near base, obtuse to acute, pinnately parted to pinnate, the lower pinnae reniform to orbicular, 5-JO mm. long and as wide, cordate at base, un- lobed or shallowly 3-lobed; sori few, nearer the costa or costulc than the margin; indusia 1-2 mm. long. Lowlands and low mountains.

Hokkaido, Honshu, Shikoku, Kyushu; com­mon.    Sakhalin, s. Kuriles, Kamchatka, Ryukyus, Korea, Manchuria, and China.

Asplenium incisum
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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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