Paulownia (/pɔːˈloʊniə/ paw-LOH-nee-ə) is a genus of seven to 17 species of hardwood trees (depending on taxonomic authority) in the family Paulowniaceae, the order Lamiales. The genus and family are native to east Asia and are widespread across China.[1] The genus, originally Pavlovnia but now usually spelled Paulownia, was named in honour of Anna Pavlovna, queen consort of The Netherlands (1795-1865), daughter of Tsar Paul I of Russia. It is also called "princess tree" for the same reason.[2]
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It was originally sought after as an exotic ornamental tree in Europe and Asia, and later introduced to North America in 1844. Its fruits (botanically capsules) were also used as packaging material for goods shipped from East Asia to North America, leading to Paulownia groves where they were dumped near major ports. The tree has not persisted prominently in US gardens, in part due to its overwintering brown fruits that some consider ugly.[3] In some areas it has escaped cultivation and is found in disturbed plots. Some US authorities consider the genus an invasive species,[4] but in Europe, where it is also grown in gardens, it is not regarded as invasive.
Paulownia trees produce as many as 20 million tiny seeds per year. However, the seeds are very susceptible to soil biota and only colonize well on sterile soils (such as after a high temperature wildfire). Well-drained soil is also essential. Successful plantations usually purchase plants that have been professionally propagated from root cuttings or seedlings.[5] Although seeds, seedlings, and roots of even mature trees are susceptible to rot, the wood is not and is used for boat building and surfboards.
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Dimensionally stable and given its straight grain and light weight, Paulownia timber is extremely easy to work with and is reported to be resistant to decay, with decent weathering.[6]
Trees can grow to maturity in under 10 years and produce strong, lightweight timber, good as firewood, with an even higher strength to weight ratio than balsa wood.[7] Its density is low at around 0.28 kilograms per liter (2.8 lb/imp gal),[8][7][9] although significantly higher than balsa's very low 0.16 kilograms per liter (1.6 lb/imp gal).#paulownia #paulowniawood #paulowniasurfboard #paulowia #treefarming #agroforestry #agrofarm
Learn how to grow Paulownia trees in Pakistan and discover the best type of Paulownia for your garden. Uncover the secrets of the Paulownia tree! #paulownia
Learn how to grow Paulownia trees in Pakistan and discover the best type of Paulownia for optimal growth. Secrets of the Paulownia revealed in this informative video! #paulownia #growpaulownia #paulowniasecrets
Want to know the secrets of growing Paulownia trees in Pakistan? Check out this video to learn how to grow Paulownia and the best type of Paulownia to plant in Pakistan. #paulownia #growpaulownia
Interested in growing Paulownia trees? Learn about the best type of Paulownia for Pakistan and the secrets of successful Paulownia growth in this informative video! #paulownia #growpaulownia #paulowniatrees
Learn how to grow Paulownia and discover the best type for Pakistan in this informative video. Uncover the secrets of the Paulownia tree! #paulownia #growpaulownia #paulowniasecrets
23 авг 2024
