Fimbristylis littoralis

木虱草

Fimbristylis littoralis Gaudich.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Gaudich. 1829. Voyage autour du monde, exécuté par ordre du roi, sur la corvette de Sa Majesté, La Coquille, pen 10: 431. (Voy. Uranie.)

台灣首次記錄發表文獻

Liu. 2000. Flora of Taiwan, second edition 5: 271. (Fl. Taiwan 2nd edit.)

異名

Fimbristylis miliacea (L.) Vahl

Koyama. 1978. Flora of Taiwan 5: 234. (Fl. Taiwan)
Fimbristylis littorallis Gaud.

Koyama. 1961. Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 8(3): 107. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)

各語言俗名

中

木虱草、日照飄拂草、風篦草、水虱草
台

Sat pìn chháu
原

Rokobaazino-kazynuagan (Paiwan)
日

ひでりこ

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Annual or perennial without rhizome; culms densely tufted, 10-60 cm by 1-5 mm, 4-5-angular, smooth, glabrous.
Few upper leaves bladed, lower leaves cataphylloid; blades linear, laterally compressed, 10-50 cm by 1-4 mm, acuminate, light green, grooved on inner margin; basal sheaths laterally flattened, 1-18 cm long, cauline sheaths tubular, 2-10 cm long, greenish to rusty brown; ligule absent.
Inflorescence compounde to decompound, loose to subdense, 3-10 cm by 3-10 cm; involucre bracts 2-4, setaceous, 1/2-1/3 length of primary branches; primary branches 3-7, unequal, patent, 1-5 cm long, scabird. Spikelets many per inflorescence, solitary, ovoid-globose to globose, 1.5-5 mm by 1-2 mm, rounded, rusty-brown, densely many-flowered.
Glumes many per spikelet, spiral, 1-1.2 mm by 0.8-1 mm, patent, margins white-hyaline, 3-nerved keel ending below apex. Stamens 1-2; anthers ca. 2/3 mm long. Style triquetrous, glabrous, slightly dilated at base; stigmas 3. Achenes bradly obovate, trigonous, 0.7-1 mm by 0.3-0.5 mm, cream-yellow, cancellated with rows of fine, transversely oblong cells, usually sparsely verruculose.

分布

台灣 : common in rice fields and other marshy places.
世界 : Pantropical.

引證標本

ILAN: Lutung, Kuoh 1712. TAIPEI: Fulung, Kuoh 4157; Wulai, Hsu 3487. TAOYUAN: Yangmei, Cheng 48. YUNLIN: Huwei, Chuang & Kao 4115. CHIAYI: Fenchihu, Feng & Kao 260. TAINAN: Sanhutan, Kuoh 4130. PINGTUNG: Hengchun, Wang 12704. TAITUNG: Lanyu Is., Sasaki s. n.