Paulownia


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Related to Paulownia: Paulownia tomentosa

Paulownia

 

a genus of plants of the family Scrophulariaceae (sometimes attributed to the family Bignoniaceae). The tall deciduous trees have large, opposite leaves. The flowers are in terminal panicles, and the fruit is a capsule with small winged seeds.

There are approximately ten species of Paulownia, distributed primarily in East Asia. The kiri (P. tomentosa) is cultivated in gardens and parks throughout Europe. The tree is 15 to 20 m tall and has a broad crown. Its large, entire leaves, which are borne on long stems, measure up to 30 cm in length and 25 cm across. The pale violet flowers are in erect pyramidal inflorescences. Flowering occurs before leaf appearance. Sometimes the capsules remain on the tree for a year. In the USSR the kiri is cultivated in the Caucasus, on the southern shore of the Crimea, and in the southern and western Ukraine. Farther north, the tree is damaged by frost.

Kiri wood is light and soft. In China and Japan it is used for making musical instruments, furniture, and small articles.

REFERENCE

Derev’ia i kustarniki SSSR, vol. 6. Moscow-Leningrad, 1962.
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The lumbers with 1m length and 7cm thickness from Paulownia (Paulownia fortunei) and Douglas fir (Pseudotsuga menziesii) sapwood were prepared and placed in a hangar to air dry for 2 to 3 weeks.
The use of paulownia as a fast-growing species not only is in favor of forest protection, but also can help to balance the demand for raw wood materials in our country.
The tea-green body is delicately worked in silver wire with sprays of paulownia, and both the vase and its box are signed with the seal of the court artist Kyoto Namikawa.
There is also discussion of topics including crack pattern evolution and complexity of brittle failure in rock, the effect of a binary admixture of fly ash and slag on the carbonation of concrete for hydraulic structure, modification of a grooved paulownia wood sandwich, and mechanical properties of phosphoaluminate cement.
To commemorate the visit they will donate a foxglove tree, paulownia imperialis, with handsome felted leaves and charming, large, conical panicles of fragrant, bluepurple, foxglove-shaped flowers, adding to the long tradition of fine trees at Plas Newydd.
Identified as Paulownia tomentosa, you might think that this miracle tree was a newly introduced product of the plant breeders' art.
Other foliage plants to try are Paulownia, Ailanthus and Ricinus communis.
Lyn Abbott for encouragement, Bill Pearce for access to the Wundowie biochar, Simcoa Pty Ltd and Pacific Pyrolysis (formerly BEST Energies) for biochar supply, Mario d'Antuono and Michael Bennet for biometric advice and analysis, Bill Bowden for advice on plant nutrition research, Daniel Dempster (UWA) for characterisation measurements of Simcoa char, Stewart Edgecombe, Reg Lunt, Bill Bowden, Trevor Bell and Pat Redden for technical assistance, Western Minerals Fertilisers for fertiliser, plant tissue analysis and advice, and Nigel and Tanya Moffat, Paulownia Tree Farms, Darren Lowe and Phil Winchert for access to their properties and general assistance.
For a different look plant the Foxglove tree Paulownia, whose large heart-shaped leaves will give a focal point to your border.
Paulownia tomentosa, normally grown as a large tree with wonderful foxglove shaped flowers, can be cut hard back as a young plant each spring to produce leaves that can reach 60cm (2') across in summer - not for the faint-hearted
Genus Family Order 1 Paulownia Bignoniaceae, Paulowniaceae Lamiales 2 Hymenosporum Pittosporaceae Apiales 3 Cotyledon Crassulaceae Saxifragales 4 Hebe Scrophulariaceae, Plantaginaceae Lamiales 5 Prunus Rosaceae, Amygdalaceae Rosales 6 Hypericum Clusiaceae, Hypericaceae Malpighiales 7 Kunzea Myrtaceae Myrtales 8 Primula Primulaceae Ericales 9 Citrus Rutaceae Sapindales 10 Eremophila Myoporaceae, Scrophulariaceae Lamiales 11 Nicotiana Solanaceae Solanales 12 Gossypium Malvaceae Malvales Genus Floral Formula 1 Paulownia [up arrow] K(5) [?
The Paulownia sort of trees which comes from China was officially introduced in Bulgaria during the AGRA Expo.