Pulsatilla

…A perennial plant of the Ranunculaceae family that grows in mountain grasslands. It has an upright rhizome with thick roots and clumps of basal leaves. The basal leaves are pinnately compound, with leaflets that are medium to deep lobed and notched. The base of the petiole spreads to form a leaf sheath. In spring, a flower stalk appears, with a single flower at the terminal end, and below that a whorl of sessile stem leaves grows. This whorl of stem leaves is often called an involucre. The plant body is covered with long, soft white hairs. The flowers are bell-shaped and bloom downwards, with six sepals that do not open flat, and have white silky hairs on the outer surface and dark reddish purple on the inner surface. …

*Some of the terminology that mentions "Pulsatilla" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…山地の草原に生えるキンポウゲ科の多年草。根茎は直立し，太い根があり，根生葉を叢生（そうせい）する。根生葉は羽状複葉で，小葉は中～深裂し，さらに欠刻する。葉柄の基部は広がって葉鞘（ようしよう）となる。春，花茎を出し，1個の花を頂生し，その下に無柄の茎葉を輪生する。この茎葉輪はしばしば総苞とよばれる。植物体は白い長軟毛におおわれる。花は鐘状でうつ向いて咲き，萼片は6枚，平開せず外面は白い絹様毛を生じ，内面は暗赤紫色。…

※「Pulsatilla」について言及している用語解説の一部を掲載しています。

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