A biennial plant (illustration) of the Ranunculaceae family native to southern Europe. Its Japanese name is Kurotanesou. Its blue, pink or white flowers bloom in May and its soft, finely divided leaves are pleasing to the eye. It grows to a height of about 50cm, has many branches and finely divided leaves, has finely divided leaf-like bracts at the ends of the branches, and produces single or double petaled flowers similar to anemones, but what appear to be petals are actually sepals, and the true petals have degenerated into nectar-gland-like scales. It has many stamens and an ovary made up of five carpels, but the base of the ovary fuses to form a compound ovary, which matures into a balloon-like inflated capsule about 3cm in diameter. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
南ヨーロッパ原産のキンポウゲ科の一・二年草(イラスト)。和名はクロタネソウ。5月に咲く青または淡紅色,白色の花の形と,羽状に細かく裂けた柔らかい葉の感じが喜ばれる。草丈は約50cm,多数分枝して細裂した葉をつけ,枝先に細裂した葉状の苞片をつけて,アネモネに似た一重または重弁の花をつけるが,花弁に見えるのは萼片で,真の花弁は退化してみつ腺状の鱗片となっている。おしべは多数,子房は5心皮から成るが,基部は合体して複子房を形成し,成熟すると径3cmほどの風船のように膨らんだ蒴果(さくか)となる。
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