Eschscholzia californica; California poppy

Japanese: ハナビシソウ(花菱草) - ハナビシソウ（英語表記）Eschscholzia californica; California poppy

It is a perennial or annual plant of the Papaveraceae family, native to North America and California, but has become widely naturalized in the arid regions of North and South America. It is an ornamental plant that was introduced to Japan at the beginning of the Meiji era. The stems are 30-50cm tall, and the leaves are stalked, alternate, and finely pinnately lobed. In summer, flower stalks emerge from between the leaves and produce beautiful, solitary orange flowers. The flowers are 5-8cm in diameter and open in sunlight. They have two calyxes that fall early, and four fan-shaped petals. After the flowers bloom, long capsules grow, about 8cm long.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

ケシ科の多年草または一年草で，北アメリカ，カリフォルニア原産であるが南・北アメリカの乾燥地帯に広く帰化している。明治の初めに日本に渡来した観賞植物。茎の高さは 30～50cm，葉は柄があって互生し，羽状に細かく裂ける。夏に葉間から花茎を出し，オレンジ色の美しい花を単生する。花は径5～8cmで日光を受けて開く。萼は2個で早落性，花弁は4枚で扇形である。花後に長い蒴果がつき，長さ 8cmほどになる。

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