Description
ツユクサ科の多年草で高さ50cm程度。原産は、北アメリカ。 花期は、6月から9月。根の際から多数の茎を生じ、茎頂および上部の葉の付け根に、数個ずつ３弁の同形同大の淡紫色の花をつける。葉は線状で長く、茎の先に蕾を多数つけ毎日早朝朝露に濡れて咲き、半日でしぼむ。 観賞用のほかに、オシベは理科の実験で、細胞分裂の観察用に使われる。
Data source
Digital Archive System ADEAC
ADEAC is a cloud-based platform system to search and browse various digital archives. Cross-search, search of digitalized full-texts, browse of high-quality images and so on are possible.
Contents holder/Provider
Aggregator
National Diet Library
The National Diet Library (NDL), founded in 1948, is the library which belongs to the Diet. The NDL assists the activities of the National Diet. The Library collects and conserves materials and information both from Japan and abroad, serving as a foundation of knowledge and culture and providing library services to administrative and judicial entities and Japanese citizens.
Last updated
July 20, 2026