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Pteridophyllum racemosum

Pteridophyllum racemosum

Pteridophyllum racemosum

Pteridophyllum racemosum

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"Osaba-gusa" (Pteridophyllum racemosum) belongs to the Papaveraceae (Poppy family). It is the only species in the genus Pteridophyllum. It is a perennial herb that is endemic to Japan and distributed northward from Chubu district of Honshu. This herb grows in coniferous forests of deep mountains. The leaves are basal, oblanceolate and divided into comb segments. The slender stalk grows up and bears the raceme, the small white flowers come in June to August. The Japanese name "Osaba-gusa" (Comb-like reed grass) is derived from leaf-shape. 
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2005”N04ŒŽ19“úŽB‰eB
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2007”N05ŒŽ08“úŽB‰eB 

Shu Suehiro
shu@botanic.jp

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[’†‚Q] _ŒËŽs“å‹æ˜ZbŽR’¬u˜Zb‚ŽRA•¨‰€v‚ɂāA
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2014”N09ŒŽ21“úŽB‰eB 

Shu Suehiro
shu@botanic.jp