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What varieties of Paulownia are there?

Last Update ：2024.06.25

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Paulownia is native to China. It likes light and likes to grow in warm areas. It is not cold tolerant and has many varieties. So, what varieties of Paulownia are there?

Lankao Paulownia

Paulownia Lankao

The main producing areas are in the southwestern part of Shandong Province and the eastern part of Henan Province, with vertical distribution up to about 1,400 meters above sea level. The trunk of Paulownia Lankao is straight and the crown is broad, mostly oval or oblate spherical. The bark color is grayish brown. Branchlets long internode. The leaf shape is oval or broadly oval. The inflorescence is narrow conical, the flowers are large, the calyx is bell-shaped and obconical, the bell-shaped funnel-shaped corolla is light purple in color. The shape of the capsule is mostly oval, with fine hairs on the outside and not sticky to the hands. The seeds are small and oval in shape.

Paulownia

Paulownia tomentosa

Distributed in the Yellow River Basin to the provinces along the Yangtze River Basin, the main production areas are Shaanxi and western Henan. The trunks of this species are mostly low and curved, and the crown is umbrella-shaped. Branches, leaves, flowers, and fruits are hairy. Leaves ovate or broadly ovate. The inflorescence is broad conical, the flower buds are nearly spherical, the calyx is deeply divided, the corolla is bell-shaped, bright purple or blue-purple. Capsule oval.

Paulownia alba

The main production areas are in the provinces south of the Yangtze River Basin. In addition, it is distributed in the Dabie Mountains, Guangdong, Guangxi, Taiwan, Yunnan, Sichuan and other places. The tree height of this variety can reach 27 meters. Young branches and leaves are covered with branch-like hairs and glandular hairs. The leaves are heart-shaped and long-ovate, with entire edges. The flowers are in panicle-shaped cymes. The color of the corolla is white or lavender, and the calyx is lobed. The capsule is about 6-10 cm long, oval-shaped, and has thick woody skin.

Paulownia

Paulownia Sichuan

Distributed in Sichuan , Yunnan, Guizhou, western Hubei and southwestern Hunan. Vertical distribution can reach 1200-3000 meters above sea level. Densely covered with stellate tomentose, branches and leaves are hairless. The leaves are heart-shaped or broadly ovate in shape and are non-sticky. The corolla is bell-shaped, mostly white or purple, the calyx is bell-shaped, and the lobes are oval and deeply divided, not recurved. The capsule is about 4 cm long, oval in shape, and has a leathery texture.