求真百科欢迎当事人提供第一手真实资料,洗刷冤屈,终结网路霸凌。

细叶飘拂草查看源代码讨论查看历史

事实揭露 揭密真相
跳转至: 导航搜索
细叶飘拂草

来自 植物智 的图片

中文名:细叶飘拂草

拉丁学名:Fimbristylis

polytrichoides (Retz.) Vahl

界:植物界

门:被子植物门

纲:单子叶植物纲

目:莎草目

科:莎草科

属:飘拂草属

细叶飘拂草(xì yè piāo fú cǎo),学名 Fimbristylis polytrichoides (Retz.) Vahl,异名:Scirpus polytrichoides  ,产于广东海南;生长于海边湿润的盐土上或水田中。分布于印度锡兰马来西亚马六甲)、菲律宾[1]

细叶飘拂草形态特征

根状茎极短或无,具许多须根。秆密丛生,较细,高5-25厘米,圆柱状,具纵槽,平滑,基部具少数叶。叶短于秆,近灯心草状,直径宽约1毫米,平滑;

叶鞘短,黄棕色,草质,边缘干膜质,无毛。苞片1枚或缺如,针形,下部扩大,边缘膜质,长5-12毫米;小穗单个顶生,椭圆形或长圆形,顶端钝或圆,长5-8毫米,宽3-3.5毫米,具10朵至多数花;

鳞片紧密地螺旋状排列,膜质,长圆形,顶端圆,无短尖或具极短的硬尖,长约3毫米,苍白色,半透明,中间具棕色短条纹,有时上部两侧稍带黄褐色,背面无龙骨状突起,具1条脉;

雄蕊3,花药短,线形,药隔不突出;花柱长,稍扁,基部膨大,中部以上具缘毛,柱头2。 小坚果倒卵形,双凸状,长约l毫米,灰4黑色,表面具稀疏的疣状突起和横长圆形网纹,基部具暗褐色短柄。花果期3-9月。 (资料来源:中国植物物种信息)

Annuals or short-lived perennials. Rhizomes very short or absent, with many remnant fibers from old leaves. Culms densely tufted, 5-25 cm tall, slender, cylindric, smooth, striate, with fewer leaves at base.

Leaves shorter than culm; sheath yellowish brown, short, glabrous; leaf blade nearly Juncus-like, ca. 1 mm in diam., smooth. Involucral bract (0 or)1, 5-12 mm, needlelike, basally broadened, margin membranous.

Inflorescences with a single terminal spikelet, ellipsoid to oblong, 5-8 × 3-3.5 mm, 10- to many flowered, apex obtuse to rounded. Glumes densely spirally imbricate, pale white and translucent with short brown lines at middle, sometimes apically slightly yellowish brown laterally, oblong, ca. 3 mm, membranous, 1-veined, not keeled, apex rounded and without or with only a very short hard mucro.

Stamens 3; anthers linear, short. Style long, slightly compressed, basally inflated, apical half ciliate; stigmas 2. Nutlet grayish black, obovoid, ca. 1 mm, biconvex, sparsely verruculose and with transversely oblong reticulation. Fl. and fr. Mar-Sep. 2n = 10.

分类文献

《中国植物志》 第11卷 (1961) >> 096页 PDF >> 细叶飘拂草 Fimbristylis polytrichoides 28.细叶飘拂草

Fimbristylis polytrichoides (Retz.) Vahl, Enum. Pl. II (1806) 248; Hancein Journ. Bot. XVI (1878) 112; C. B. Clarke in Journ. Linn. Soc. Bot. XXXVI (1903) 242——Scirpus polytrichoides Retz. Observ. IV (1786) 11.

细叶飘拂草生长环境

生长于海边湿润的盐土上或水田中。

细叶飘拂草分布范围

产于广东、海南;分布于印度、锡兰、马来亚(马六甲)、菲律宾。

参考来源

  1. 细叶飘拂草, 植物智, 2020-01-18