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泡桐是我国特有的一种速生优质用材树种。它生长快,易繁殖,成材早,材质好,用途广,是我国出口木材之一。泡桐根部有根瘤菌,适于林粮间作,对促进农业高产稳产有积极的作用。泡桐属玄参科,共有3组8个种。为了正确地识别种,给引种栽培提供参考,现将不同种的形态特征、分布区域简介如下: 第一组白花泡桐组本组仅白花泡桐一种。它的形态特征是:蒴果极大,长椭圆形,果长8—12厘米;花冠白色或淡紫色,长8—10厘米,白花内有紫色大斑点;叶长卵状心形,五波状裂不明显。白花泡桐可分两类型。粗
Paulownia is a kind of fast-growing high-quality timber species in our country. It grows fast, easy to breed, become early, good material, wide use, is one of China’s timber exports. Paulownia root rhizobia, suitable for intercropping forest, to promote high and stable agricultural production have a positive effect. Paulownia is Scrophulariaceae, a total of 3 groups of 8 species. In order to correctly identify the species, to provide a reference for the introduction of cultivation, now different kinds of morphological characteristics of the distribution area is as follows: The first group of white Paulownia group only white Paulownia a. Its morphological characteristics are: great capsule, oblong, fruit length 8-12 cm; corolla white or lavender, 8-10 cm long, white flowers with large purple spots; long egg-shaped heart-shaped, wavy crack Not obvious. White Paulownia can be divided into two types. Crude