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みやまはたざお (深山旗竿)
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わが国の本州、中部地方以北から北海道それに大峰山系や大山、四国の剣山、それに東北アジアや北アメリカの北西部にも分布しています。山地や高山の砂礫地や岩場に生え、高さは１０〜３０センチになります。根生葉はへら状披針形、茎葉は線状披針形で、茎を抱きません。６月から８月ごろ、茎の先の総状花序に白色の十字状花を咲かせます。 |
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アブラナ科ヤマハタザオ属の多年草で、学名は Arabis lyrata var. kamtschatica。英名はありません。 |
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"Miyama-hatazao" (Arabis lyrata var. kamtschatica) belongs to Brassiaceae (the Mustard family). It is a perennial herb that is distributed northward from Chubu district of Honshu to Hokkaido, Ohmine mountain chain, Mt. Daisen, Mt. Tsurugi in Japan, as well as north-east Asia and north-west North America. This herb grows in gravel and rocky places of montains to alpines and can reach 10-30 cm in height. The basal leaves are spatulate-lanceolate, the cauline leaves are linear-lanceolate and not enfold stems. The white cruciate flowers come in the apical racemes from June to August. |
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長野県安曇野市穂高有明「中房渓谷」にて、2007年06月02日撮影。 |
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Shu Suehiro
shu@botanic.jp
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