• 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:

                      weizhidan

                      浏览次数:271

                      编辑次数:1历史版本

                      最近更新:2015-11-23 14:15:29

                      词条贡献更多

                      weizhidan

                      2015-11-26 10:20:27

                      突脉秋海棠Begonia retinervia
                      编辑

                      Begonia retinervia D. Fang et al. in Bot. Stud. 47: 106. 2006

                      种间区别

                      突脉秋海棠亦与宁明秋海棠B. ningmingensis D. Fang, Y. G. Wei & C.-I Peng相似,但叶片质地较厚,子房或果实(含翅膀)具卷曲长柔毛,果实背翅较突出并向一侧弯曲,腹面显著凸起。

                      形态描述

                      Herbs, rhizomatous. Rhizome creeping, 3-16 mm in diam. Leaves all basal; stipules triangular; petiole 3-13 mm; blade with white spots along major veins, suborbicular, unlobed or rarely very shallowly angular lobed, 4-25 × 3.5-22 cm, thickly papery, rugose, basally 6-8-veined, base cordate, margin denticulate and ciliolate, apex obtuse to shortly acuminate. Inflorescences with 5-40 flowers in a dichasial cyme; peduncle 8-21 cm; bracts recurved, broadly elliptic, oblong, or obovate. Staminate flowers: pedicel 6-25 mm; tepals 4, outer 2 suborbicular, oblate, or obovate; inner 2 oblanceolate, obovate, or narrowly obovate; androecium zygomorphic; stamens 15-35; anthers oblong-obovoid or narrowly so, apex emarginate. Pistillate flowers: tepals 3, outer 2 tepals suborbicular or oblate, inner tepal pinkish or white, narrowly obovate to obovate, glabrous; ovary greenish white or reddish white, broadly ovoid to obovoid, adaxially distinctly convex, villous, with parietal placentation; wings 3, unequal; lateral wings narrower, curved along length of fruit body; abaxial wing obliquely triangular or ligulate, rarely obovate-oblong. Capsule nodding, 7-11 × 5-8 mm. Fl. Aug-Dec, fr. Nov-Mar. 2n = 30*.

                      FOC

                      主要用途

                      模式信息

                      广西省都安县,2004-09-30,方鼎和覃德海(Ding Fang & De-Hai Qin)29620(holotype: GXMI)。

                      分布地区

                      产广西都安。生长于石灰石山坡,潮湿的洞穴中。海拔200-600米。

                      相关链接

                      1. 文献出处
                      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,