Gypsophila

...An autumn-sown annual plant of the Caryophyllaceae family that blooms in clusters of small flowers in May, making it suitable for cut flowers and flower beds (illustration). Native to the Caucasus region. The plant grows to a height of 50-60cm. The leaves are lanceolate and opposite each other. It grows on many branches, and when it produces flowers, two small pedicels split out from the base and grow, repeatedly producing flowers. The flowers are white with five petals and open in a cup shape. A variant is var. carminea Hort., which has red flowers and reddish stems and leaves, but its characteristics are the same as Gypsophila. Seeds are sown in late September. ...

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…5月に小花が群れて咲くので切花や花壇に適したナデシコ科の秋まき一年草（イラスト）。原産地はカフカス地方。草丈は50～60cm。葉は披針形で対生。多数の枝を分けて茂り，花をつけるとそのもとから小花梗が二つに分かれ出てのび，花をつけることを繰り返す。花は白色5弁で杯状に開く。変種に赤花で茎葉も赤みを帯びるアカバナカスミソウvar.carminea Hort.があるが，性状はカスミソウに同じ。種まきは9月下旬。…

※「Gypsophila」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