Northeastern Asian Flora
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Microsorum insigne (Blume) Copel.   (redirected from: Polypodium dilatatum Hoffm.)
Family: Polypodiaceae
[Colysis insigne (Blume) J.Sm., moreKaulinia dilatata Nayar & Kaur, Kaulinia hancockii Nayar, Leptochilus insignis (Blume) Fraser-Jenk., Microsorum dilatatum (Bedd.) Sledge, Microsorum hancockii (Baker) Ching, Pleopeltis dilatata (Wall. ex Hook.) Bedd., Pleopeltis insignis Beddome, Polypodium ancepes C.Chr., Polypodium dilatatum Hoffm., Polypodium euryphyllum C.Chr., Polypodium hancokii Baker, Polypodium insignis Blume, Selliguea ancepes Christ]
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  • Japan Flora
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Japan Flora: Rhizomes short-creeping, 5-7 mm. across, densely scaly, the scales membranous, spreading, deltoid-lanceolate, 5-7 mm. long, filiform at the tip, clathrate; fronds 30-60 cm. long; blades herbaceous, pinnately parted or rarely simple, narrowly oblanceolate, 3-5 cm. wide, abruptly acuminate, gradually narrowed from about the middle, long- decnrrent on the stipe, glabrous except for a few scattered scales toward the base while young, entire or undulate; seg­ments 1-3 pairs, spreading, lanceolate to ovate, abrupdy acute to obtuse; costules rather slender, straw-colored; sori round to oblong, or sometimes short-linear, 1-1.5 mm. across, scattered on underside of blade.  Moist places along streams.

Kyushu (Yakushima and Tanegashima in Osumi, and Koshiki in Satsuma Prov.). Ryukyus, Formosa, China to Indochina.

 

Microsorum insigne
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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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