Chishima Zekishō - Chishima Zekishō

Japanese: チシマゼキショウ - ちしまぜきしょう

A perennial plant of the lily family that grows on rocky areas in high mountains (illustration). It is widely distributed in the polar and subpolar regions of the Northern Hemisphere. In plant geography, it is an example of what is called the circumpolar element. The stem is 5-15 cm tall, with two alternate rows of linear leaves similar to those of a red lily, and a dense raceme at the top. The flowers usually bloom facing diagonally downward. The tepals are small and white or pale purple. The pistil consists of three carpels, the upper part of which is separate. This indicates a primitive stage in the evolution of the ovary, which is seen in many angiosperms.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

高山の岩場に生えるユリ科の多年草（イラスト）。北半球の寒帯･亜寒帯域に広く分布する。植物地理学上，周北極要素と呼ばれるものの一例である。茎は高さ5～15cmで，セキショウに似た線形の葉を2列互生し，上部に密な総状花序を出す。花は通常斜め下を向いて咲く。花被片は小型で，白色または淡紫色。めしべは3枚の心皮から成り，心皮の上部は離れている。これは多くの被子植物にみられる，子房が進化する途中の原始的な段階を示すものである。

出典　株式会社平凡社世界大百科事典第２版について　情報

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