珙桐(Davidia involucrata)
关键词: 珙桐来源: 互联网
蓝果树科。乔木,高 15~ 20米。叶互生,纸质,宽卵形,长 9~ 15厘米,先端渐尖,基部心形,边缘有粗锯齿,下面密生淡黄色粗毛。花杂性,由多数雄花和一朵两性花组成顶生的头状花序,花序下有两片白色大苞片,花盛开之时,似一群白鸽栖落树上,故有中国鸽子树之称。核果长卵形,长 3~ 4厘米,紫绿色。分布于湖北、湖南、贵州、四川、云南、陕西等省区。生海拔 1800~ 2200米的山地林中。我国特有珍稀植物,现列为国家一级稀有保护植物。由于花的苞片美丽奇特,尤如白鸽展翅,是世界著名的观赏树;树干通直,木材纹理细致,是很好的用材树。
推荐方法
- 根瘤菌
- 梨属(Pyrus)
- 木贼科(Equisetaceae)
- 姜
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