• 种子植物

  • 苔藓植物

  • 地衣类

  • 大型真菌

  • 蕨类植物

  • 鸟类

  • 兽类

  • 虫类

  • 鱼类

  • 两栖类

                      词条统计

                      词条创建者:

                      wangzehuan

                      浏览次数:66

                      编辑次数:2历史版本

                      最近更新:2017-11-13 11:55:56

                      词条贡献更多

                      Brian

                      2017-11-14 11:58:30

                      wangzehuan

                      2015-10-15 11:23:16

                      薇甘菊Mikania micrantha
                      编辑

                      Mikania micrantha Kunth in Nova Genera et Species Plantarum (folio ed.) 4: 105. 1820[1818].

                      种间区别

                      国内该属仅2种。与假泽兰的区别在于叶、苞片、花冠具腺体,总苞约3.5mm;花冠阔钟形,冠毛多白色,从不带红色。

                      形态描述

                      Vines, slender, branched. Stems yellowish or brownish, usually terete, slightly striate, glabrate to sparsely puberulent. Leaves opposite; petiole 1-6 cm; blade ovate, 3-13 × ca. 10 cm, both surfaces glabrate with numerous glandular spots, base cordate to deeply so, margin entire to coarsely dentate, apex shortly acuminate. Synflorescence a corymbose panicle, capitula clustered on subcymose branches; phyllaries oblong, ca. 3.5 mm, glabrous to puberulent, apex shortly acuminate; corollas white, 2.5-3 mm, tube narrow, limb broadly campanulate, inside papillate. Achenes 1.5-2 mm, 4-ribbed, with many scattered glands; pappus setae dirty white, ca. 3 mm. Fl. and fr. year-round. 2n = 36, 72.

                      模式信息

                      模式标本:Humboldt & Bonpland s.n.,采自Venezuela(Crescit in umbrosis prope Caripe Cumanensium, alt. 412 hex)。

                      分布地区

                      中国入侵种(Naturalized in China [native to the Caribbean, Central and South America, and Mexico; widely introduced in Asia and the Pacific islands].)

                      关于PFA360
                      马蹄香
                      Saruma henryi
                      打开
                      创建种
                      编辑

                      用户注册

                      我已阅读并接受协议《用户服务协议》

                      已经有账号,