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catalpa
''Catalpa'', commonly called catalpa or catawba, is a genus of flowering plants in the family Bignoniaceae, native to warm temperate regions of North America, the Caribbean, and East Asia.
==Description==
Mostly deciduous trees, they typically grow to tall and wide. A 10-year-old sapling will stand about tall. They can be recognized by their large, heart-shaped to three-lobed leaves, showy white or yellow flowers in broad panicles, and during the autumn by their long fruits, which resemble a slender bean pod, containing numerous small flat seeds, each seed having two thin wings to aid in wind dispersal. Because of the leaves, they are sometimes confused with the tung tree (''Vernicia fordii'') in the southern U.S., or the invasive ''Paulownia tomentosa'' imported from China.
Due to their large leaf size, catalpas are a popular habitat for many birds, providing them good shelter from rain and wind. These trees have few limb droppage, but drop large dark-brown bean pods during late summer. The wood of catalpas is quite soft.
Catalpas will begin flowering after roughly 3 years, and will begin producing seed pods after approximately 5 years.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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