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{{SPlantbox
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Liriodendron (lirion, lily, and dendron, tree; referring to the shape of the flowers). Magnoliaceae. Tulip Tree. Whitewood. Yellow Poplar. Ornamental trees grown for their handsome foliage and large tulip-like flowers.
Deciduous: lvs. alternate, long-petioled, 2-6-lobed, with conspicuous deciduous stipules cohering when young and inclosing the next lf.: fls. terminal, solitary, with 3 spreading sepals and 6 erect, broadly ovate petals; stamens numerous, with long and linear anthers; pistils numerous, forming a narrow column, developing into a light brown cone; at maturity the carpels, each consisting of a long, narrow wing with a 1-2- seeded nutlet at the base, separate from the slender spindle.—Two species in N. Amer. and China.
Only the native species, one of the noblest trees of the American forest, is well known in cultivation. It is a hardy beautiful tree of pyramidal habit, well adapted for park-planting and for avenues, with handsome, clean foliage of unusual shape and of rather light bluish green color, rarely attacked by insects or fungi, assuming in fall a brilliant yellow color; the tulip-like flowers, though of not very showy color are conspicuous by their size and shape. The tulip tree is also an important forest tree, and the soft, fine-grained, light yellow wood is much used in carpentry for furniture, boat-building and the manufacture of small articles; it does not split easily but is readily worked and bent to any required shape. The inner bark is said to have medical properties. The tulip tree grows best in deep, rich and somewhat moist soil. Transplanting is not easy; it is best done in spring, just before the tree starts into new growth. Propagate by seeds sown in fall or stratified and sown in spring; varieties are usually grafted or budded on seedling stock, rarely propagated by layers. The seeds are sometimes hollow, especially those grown along the eastern limit of the species.
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