Hieracium

…A perennial herb of the Asteraceae family that grows in dry grasslands in the alpine zone (illustration). It is found in the high mountains from central Honshu northward and in Mount Tsurugi in Shikoku. It reproduces vegetatively via underground stems. The stem is about 30 cm tall. The spatula-shaped basal leaves are well developed and remain persistent even when in flower. The stem leaves are small and few, and the base slightly embraces the stem. The stems and leaves have long, spreading, dirty brown coarse hairs and short glandular hairs, and it resembles Kozolina, but is a different genus. When cut, it exudes a white milky juice. In July and August, several yellow flower heads grow at the end of the stem. The flower heads consist of only ligulate bisexual flowers, and are 1.5 to 2 cm in diameter. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…高山帯の乾燥した草原に生えるキク科の多年草（イラスト）。本州中部以北の高山および四国の剣山に分布。地下茎により栄養繁殖を行う。茎は高さ30cm内外。へら形の根出葉がよく発達し，花時にも宿存する。茎葉は小型で少なく，基部はやや茎を抱く。茎や葉には長く開出する汚褐色の粗毛と短い腺毛があり，コウゾリナに似るが，別属である。切ると白色の乳液が出る。7～8月ころ，茎の先に黄色の頭花を数個つける。頭花は舌状の両性花のみからなり，径1.5～2cm。…

※「Hieracium」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