A perennial plant of the orchid family. It grows in mountain grasslands from southern Hokkaido to central Honshu. The underground stem is short and horizontal, while the aboveground stem is erect and about 40 cm tall. The leaves are oblong, 8-20 cm long and 5-8 cm wide, with a short sheath at the base that encases the stem. In April and May, small bracts grow at the top of the stem, and at the end of the bracts a single large red-purple to pale pink flower opens, facing downward. The flower is about 5 cm in diameter and has a pouch-shaped lip. The Japanese name comes from the resemblance of the flower shape to the mother's robe worn by Taira no Atsumori, and is in contrast to the closely related Kumagaisou (Kumagaiso). Due to concerns about extinction due to theft, it was designated a rare domestic wild plant and animal species in 1997. A closely related species, C. guttatum , grows under the forests of the mountainous areas of central Honshu. It produces beautiful pale yellow flowers with brown spots in June and July. The species is also distributed in the cool temperate zones of eastern Asia and northwestern North America. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ラン科の多年草。北海道南部から本州中部までの山の草地に生える。地下茎は短く横にはい,地上茎は直立し高さ約 40cm。葉は長楕円形,長さ8~20cm,幅5~8cmで基部は短い鞘となって茎を抱く。4~5月頃,茎頂に小型の包葉をつけ,その先に紅紫色から淡紅色の大きな花が1個うつむいて開く。花の直径は約 5cmもあり唇弁は袋状となっている。和名は花形を平敦盛が着用した母衣 (ほろ) に見立てることに由来し,近縁のクマガイソウ (熊谷草) に対立させたものである。盗掘による絶滅が懸念され,1997年国内希少野生動植物種に指定された。本州中部の山岳地帯の森林下には近縁の別種キバナノアツモリソウ C. guttatumがある。6~7月に,淡黄色で茶褐色の斑点のある美しい花をつける。この種はアジア東部と北アメリカ西北の冷温帯にも分布する。
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
<<: Allah - Allāh (English spelling)
>>: Atsumori - Animal Crossing
... Japanese gentians are divided into four gener...
〘 noun 〙 A bridge built in Edo at the expense of t...
A city in eastern Aomori Prefecture. It was incorp...
(Also called "araki") A fence with a lar...
…fruit that has been dried to prevent spoilage an...
This temple was located in Sakata, Asuka Village,...
…The city has a high level of culture, and is a c...
An ancient Greek heroic epic poem that is said to...
…In the narrow sense, it refers to a plateau-like...
A port city in the province of Oviedo in the Astu...
…The circumstances of its writing and its compila...
A politician from the end of the Edo period and t...
The proper name of the beta star in Orion. It com...
…The width of the ridges ranges from about 10mm t...
An architectural term with three meanings: (1) A ...