Fimbristylis squarrosa

大屯山飄拂草

Fimbristylis squarrosa Vahl

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

如頁面顯示有問題，請填寫回報表單
如有任何意見也請留言，謝謝。

名彙資訊

學名發表文獻

Vahl, Enumeratio Plantarum 2: 289. 1805. (Enum. Pl.)

台灣首次記錄發表文獻

Koyama, Flora of Taiwan 5: 246. 1978. (Fl. Taiwan, 台灣植物誌)

異名

Fimbristylis aestivalis (Retz.) Vahl var. squarrosa (Vahl) T. Koyama

Koyama, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 8(3): 116. 1961. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot., 東京帝國大學理學部紀要, 第三類, 植物學)

各語言俗名

中

畦畔飄拂草.
英

Paddy field fimbristyle.
日

あぜてんつき.

參考資料

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

shrub

形態特徵

Aannual with fibrous roots; cums densely tufted, 8-25 cm by 0.3-0.5 mm, trigonous, smooth, glabrous.
Leaves basal, few; blades linear, 1.5-5 cm by 0.7-1 mm, obtuse, flattish with more or less incurved margins, light green, mostly pilose on both surfaces, sometimes glabrescent; sheaths 0.5-3 cm long, pale-green or brownish, pubescent; ligule absent.
Inflorescence compound, loose to subdence, 2-4 cm by 2-4 cm; involucre bracts 3-5, setaceous, glabrescent; primary branches 3-7, 1-3 cm long. Spikelets many per inflorescence, solitary, ovate to lanco-ovate, 3-6 mm long by 2-3 mm, acute, subterete, subdensely 7-18-flowered, yellowish or orange brown.
Glumes 10-40 per spikelet, spiral, narrowly ovate or elliptic, 1.5-2 mm long, acute, membranaceous, pale and tinged with brownish orange or yellow, 3-nerved green keel projecting beyond glume apex forming a recurved awn 0.7-1 mm long. Stamen 1; anthers 0.5-1 mm long. Style weakly flattened, ciliolate above, dilated base pilose with long, white, silky, pendant hairs 1/2-2/3 its length of achene; stigmas 2. Achenes obovate, thickly biconvex, 0.6-1 mm by 0.4-0.6 mm, shortly stipitate, yellow or orange yellow, smooth and sometimes slightly hiny.

分布

台灣 : in open wet places.
世界 : Tropical to warm temperate regions of the Old World.

引證標本

TAIPEI: Nankang, Chuang 4628. TAOYUAN: Kuangyin, Wang 772. NANTOU: Sun Moon Lake, Suzuki 6642. YUANLIN: Taoliu, Ashikaga 231. TAINAN: Huantzuten, Morimoto 209.