桤木 - 维基百科，自由的百科全书
中國 桤 qī 木 （学名： Alnus cremastogyne）是 桦木科 桤木属 的植物，为中国特有的植物。 古文作“机”（非“機”的簡化字， 揚雄 的《蜀都賦》有「春机楊柳」句）。 形态. 落叶 乔木；长椭圆形叶子，边缘有稀疏锯齿；春季开花，雌雄同株，柔荑花序单生于新枝叶腋；果穗悬垂，构造略同 赤杨。 分布于 中国大陆 的 四川 、 江苏 、 陕西 、 甘肃 、 贵州 等地，生长于海拔500米至3,000米的地区，常生于山坡或岸边的林中，目前尚未由人工引种栽培。 参考文献. 昆明植物研究所. 桤 …
桤木（桦木科桤木属植物）_百度百科
桤木（Alnus cremastogyne Burkill）是桦木科桤木属乔木。 树皮灰色；小枝无毛芽具柄；叶倒卵形、椭圆形、长圆形或倒披针形，先端骤尖，基部楔形或稍圆，上面疏被腺点，幼时被柔毛，下面密被腺点，近无毛，脉腋具髯毛，疏生不明显纯齿；雌花序单生叶腋，长 ...
Alnus cremastogyne - Wikipedia
Alnus cremastogyne is a species of flowering plant in the genus Alnus. [2] It is found in China. [1] The deciduous tree Alnus cremastogyne grows quickly and is remarkably good at fixing nitrogen. Beyond its ability to produce wood and its ecological relevance, it is valuable since it is one of the preferred intercropping species that is well ...
桤木属 - 维基百科，自由的百科全书
Cremastogyne(H.J.P.Winkl.) Czerep. 桤木属 （学名： Alnus），也称 赤杨属，是 桦木科 的一个 属。. 和其他桦木科植物一样，赤杨的花是单性雌雄同株的，葇荑花序。. 每一花序仅含有雌性或雄性花。. 赤杨是阔叶树木中唯一雌性花序会木质化的。. 木质化后的雌性花序被 ...
SUPERIOR BROAD-LEAVED SPECIES ALNUS CREMASTOGYNE , …
2023年8月9日 · Alnus cremastogyne is a Chinese endemic species of Alnus in Betulaceae family and is a very important commercial tree species in the subtropical regions of China. Many works on its distribution and characteristics have been carried out in China.
Alnus cremastogyne is a deciduous tree burgeoning forth from late February to early March in spring depending upon altitude. Its new shoots start growing in mid-March, and its leaves fall in late autumn and early winter every year (Figure 1 & Figure 2). It owers in the spring at about the same time when its leaves appear. It is monoecious, i.e.,
Phenotypic Variation Analysis and Excellent Clone Selection of Alnus ...
2023年9月13日 · Alnus cremastogyne is a rapidly growing broad-leaved tree species that is widely distributed in southwest China. It has a significant economic and ecological value. However, with the expansion of the planting area, the influence of phenotypic variation and differentiation on Alnus cremastogyne has increased, resulting in a continuous decline in ...
桤木 Alnus cremastogyne|iPlant 植物智——植物物种信息系统
图45. 1974. 乔木，高可达30-40米；树皮灰色，平滑；枝条灰色或灰褐色，无毛；小枝褐色，无毛或幼时被淡褐色短柔毛；芽具柄，有2枚芽鳞。. 叶倒卵形、倒卵状矩圆形、倒披针形或矩圆形，长4-14厘米，宽2.5-8厘米，顶端骤尖或锐尖，基部楔形或微圆，边缘具几不 ...
Alnus cremastogyne Burkill - Plants of the World Online
Alnus cremastogyne. Kew's Tree of Life Explorer. Discover the flowering plant tree of life and the genomic data used to build it.
桤木 Alnus cremastogyne - plantplus.cn
联系方式; plantdata@ibcas.ac.cn; 010-6283 6499; 北京市海淀区香山路; 中国科学院植物科学数据中心; 京ICP备16067583号-44; 中国植物 ＋ © ...