A perennial plant of the Primulaceae family. Widely distributed in southeastern Asia. It is commonly found growing wild in mountainous areas and fields throughout Japan. The entire plant is covered with fine hairs, and the stems are 9-15 cm long, growing in clusters of several stems that creep along the ground. The leaves are opposite, stalked, oval, and entire. In summer, yellow flowers with short pedicels appear in the leaf axils. There are five linear sepals. The corolla is sympetalous and deeply divided into five lobes, with five stamens and one pistil. The fruit is a globular capsule with persistent calyxes that hang downward. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
サクラソウ科の多年草。アジア東南部に広い分布をもつ。日本全域の山地や原野にごく普通に自生している。全株に細毛があり,茎は長さ9~15cmで数本叢生して地面をはうように伸びる。葉は対生し,柄があり,卵円形で全縁である。夏に,葉腋に短い花柄のある黄色花をつける。萼片は線形で5枚。花冠は合弁で5深裂し,おしべ5本とめしべ1本がある。果実は球形の 蒴果で宿存萼があり下向きにつく。
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