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File:シハイスミレ Viola violacea Makino P3285591.jpg

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Description
English: Viola violacea Makino
Date
Source Own work
Author 膀胱眼球胎
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膀胱眼球胎
Other versions 膀胱眼球胎

立ち上がる茎のない、小柄なスミレ類で、スミレに似ているが、やや小柄で赤みが強い。全体に毛がない。

地下茎はごく短く、また太くならない。あまり株立ちにはならない。匍匐茎も出さない。葉は少数を根生する。背丈はせいぜい10cm、より低いこともある。

葉は長い柄があり、葉身は2-4cm、葉柄はそれと同じくらいか長い程度。葉身は細長く、三角状狭卵形、基部は深い心形。縁にはごく浅い鋸歯が出る。葉は柔らかく、表面は深緑色で時に白い斑が入る。裏面は緑の色が薄く、それに紫の色が乗るのが普通である。紫の色には個体差があり、薄く紫のものからかなり濃いものまであり、色の濃いものでは葉柄なども紫がかる。

花茎は細く立ち上がる。花期は4-5月と言われるが、同じ地域のスミレの中でも早いほう。花は赤みの強い紫だが、ほとんど白く見えるほど薄い場合もある。花弁は長さ8-11mm、側弁は無毛、距は5-6mm、細くて上を向いている。

名称は紫背菫で、葉裏が紫であることを指したものとのこと。

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28 March 2010

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current16:57, 1 May 2010Thumbnail for version as of 16:57, 1 May 2010768 × 1,024 (142 KB)膀胱眼球胎{{Information |Description={{en|1=Viola violacea Makino }} |Source={{own}} |Author=膀胱眼球胎 |Date=2010,3,28 |Permission=膀胱眼球胎 |other_versions=[[:ja:user:膀胱眼球胎|膀胱眼球胎

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