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Striving gor Diversity: The Trumpet Trees

机译：追求多样性：小号树

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摘要

Few spring-blooming trees are more spectacular than the trumpet trees. In March and April, they enliven Southern California neighborhoods with a short-lived, yet dazzling display of gold or pink flowers. A leafless tree adorned with tens of thousandsof large, almost unnaturally bright, trumpet-shaped flowers is a sight to behold. After an early spring stroll through Arcadia's Los Angeles County Arboretum or Santa Barbara's Alice Keck Park Garden, one is left wondering why such trees are not more widely planted. These lovely tropical trees are the subjects of the first installment of articles in Pacific Horticulture on undeservedly rare trees. The Los Angeles County Arboretum & Botanic Garden, which has the best collection of mature trumpet trees inCalifornia, helped to introduce them to cultivation in the 1970s. Although primarily grown in Southern California (Sunset zones 15, 16, 20-24), these small to medium-sized charmers could be cultivated in more northerly locations, as they are cold hardyto temperatures as low as 20° F. The trumpet trees at The Ruth Bancroft Garden in Walnut Creek (Sunset zone 15), thirty miles inland from San Francisco, bloom bountifully each spring, having survived a number of relatively significant freezes on their way to maturity.
机译：很少有春天开花的树比小号树更壮观。在三月和四月，它们以短暂的，但令人眼花display乱的金色或粉红色花朵的表现使南加州的社区充满活力。一棵无叶的树上装饰着成千上万的大号，几乎不自然地亮着，喇叭形的花是一眼的景象。早春漫步在阿卡迪亚的洛杉矶县植物园或圣塔芭芭拉的爱丽丝·凯克公园花园之后，人们就纳闷为什么这样的树木没有被广泛种植。这些可爱的热带树木是《太平洋园艺》第一期文章中不受欢迎的稀有树木的主题。洛杉矶县植物园和植物园收集了加州最好的成熟小号树，并在1970年代将其引入耕种。尽管这些中小型吸引子主要生长在南加州（日落区15、16、20-24），但由于其耐寒性低至20°F，因此可以在更北的位置种植。离旧金山内陆30英里的核桃溪（15区日落区）的露丝·班克罗夫特花园（Ruth Bancroft Garden）每年春天盛放，在经历了许多相对显着的冰冻期后，它们得以幸存。

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