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Description. Most Catalpa are deciduous trees; they typically grow to 12–18 metres (40–60 ft) tall, with branches spreading to a diameter of about 6–12 metres (20–40 ft). They are fast growers and a 10-year-old sapling may stand about 6 metres (20 ft) tall. They have characteristic large, heart-shaped leaves, which in some species are ...
C. speciosa. Binomial name. Catalpa speciosa. (Warder) Warder ex Engelm. Natural range of Catalpa speciosa. Catalpa speciosa, commonly known as the northern catalpa, hardy catalpa, western catalpa, cigar tree or catawba, [1][2] is a species of Catalpa native to the midwestern United States. The Latin specific epithet speciosa means "showy".
Description. Catalpa bignonioides is a deciduous tree growing to 25–40 feet (7.6–12.2 m) tall with an equal or greater spread, [8] with a trunk up to 1 metre (3 ft 3 in) diameter, with brown to gray bark, maturing into hard plates or ridges. The short thick trunk supports long and straggling branches which form a broad and irregular head.
Catalpa kaempferi Siebold & Zucc. Catalpa ovata, the yellow catalpa[1][5] or Chinese catalpa[1] (Chinese: 梓; pinyin: zǐ), is a pod-bearing tree native to China. Compared to C. speciosa, it is much smaller, typically reaching heights between 20 and 30 feet (6 and 9 m). The inflorescences form 4–10-inch-long (100–250 mm) bunches of creamy ...
Catalpa fargesii. Catalpa fargesii, the Chinese bean tree, is a species of tree in the family Bignoniaceae, native to China. Growing to about 25 m tall, it is a deciduous tree which produces abundant pink blossom in spring, followed by narrow brown beans-like fruit in the autumn. Some sources place the species as a synonym of Catalpa bungei.
Several species of Catalpa are also important timber trees. Paratecoma was once the most important timber tree of the Rio de Janeiro area, but relentless exploitation has brought it to the verge of extinction. [11] Several of the rare species of Bignoniaceae produce excellent wood, but are often not recognized by lumberjacks. [30]