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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 three-lobed.
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.
Catalpa × erubescens (or Catalpa erubescens), the hybrid catalpa, is a hybrid plant species of Catalpa in the family Bignoniaceae. It is a medium-sized tree, reaching at most 20 m. Its parents are southern catalpa, Catalpa bignonioides, from the United States, and yellow catalpa, C. ovata, from China. There is one accepted [2] form, Catalpa × ...
Many species of Bignoniaceae have some use, either commercially or ethnobotanically, but the most important, by far, are those planted as ornamentals, especially the flowering trees. Jacaranda, Campsis, Pyrostegia, Tabebuia, Catalpa, Roseodendron, Handroanthus and Crescentia all have species of horticultural significance, at least in warm climates.
Catalpa vestita Diels (1901) Catalpa bungei, commonly known as Manchurian catalpa, is a species of catalpa native to China. The specific epithet honors the botanist Alexander Bunge, who collected the specimens that Carl Anton von Meyer later described. [3] The flowers are arranged in a corymb and are densely spotted with pink.