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''Koelreuteria bipinnata'', also known as (Chinese flame tree, Chinese golden rain tree, Bougainvillea golden-rain tree") is a species of ''Koelreuteria'' native to Asia, particularly to China. It is a small to medium-sized deciduous tree growing between 10–20 meters tall. They are also one of the few trees that bloom in the summer. They can live from 50 to 150 years. ==Description== The leaves are alternate, bipinnately compound leaves; with a ovate shape and a pinnate venation, they have a green color usually and turns yellow in fall, measuring between 5–10 cm long. The flowers are small and yellow with a touch of red at the base, with four petals, produced in large branched panicles that are 20–50 cm long. They are very showy and have a pleasant fragrance. They flower in the summer from July to August. Flowers are hermaphroditic, having both male and female organs. The fruit is a three-lobed inflated papery capsule that is 3–6 cm long, containing several hard nut-like seeds that are 5–10 mm diameter with a pink color. The bark is thin and brown, bends down a little as the tree grows, it might break due to poor collar formation, pruning is required to develop a strong structure, and also for the pedestrians and vehicles clearance if necessary. The tree is characterized as a weak wooded tree. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Koelreuteria bipinnata」の詳細全文を読む スポンサード リンク
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