Chionographis

...A beautiful perennial plant of the lily family that produces white brush-like flowers on spikes (illustration). The Japanese name is a reference to the white tepals, which resemble white threads. The scientific name, chiono, means "like snow," and graphis, means "brush," and is also named after the flower. The flower stalk is 25-65 cm tall and bears sparse linear leaves. There are six tepals, of which about four are linear and open, and are white and conspicuous. Flowers appear in May and June. The flower stalk is single, with many evergreen basal leaves at the base. The underground stem is short and erect or ascending. ...

*Some of the terminology explanations that mention "Chionographis" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…穂状花序に白い花をブラシ状につけるユリ科の美しい多年草（イラスト）。和名は白色の白い花被片を白糸になぞらえたもの。学名のchionoは雪のような，graphisは筆という意味で，やはり花にちなんだ名である。花茎は高さ25～65cmで，線形の葉をまばらにつける。花被片は6枚あり，そのうち約4枚が線形で開出し，白色でよく目だつ。花は5～6月。花茎は単一で，基部には常緑の根出葉がたくさんつく。地下茎は短く，直立または斜上する。…

※「Chionographis」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