Schizachyrium brevifolium

裂稃草

Schizachyrium brevifolium (Sw.) Nees ex Buse

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

Buse, Plantae Junghuhnianae 3: 359. 1854. (Pl. Jungh.)

台灣首次記錄發表文獻

Hsu, Taiwania 16: 332. 1971.

異名

Andropogon brevifolius Sw.

Honda, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 3: 346. 1930. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)
Andropogon brevifolius Sw. var. paradosus (Buse) Ohwi

Ohwi, Acta phytotaxonomica et geobotanica eng 11: 169. 1942. (Acta Phytotax. Geobot.)

各語言俗名

英

Short-leaved blue stem.
日

ひめうしぐさ.

參考文獻

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

特徵描述

生活型

herb

形態特徵

Culms slender, 0.2-0.5 mm across, tufted.
Blade linear, ca. 3 cm long, 2 mm wide; sheath compressed; ligule membranaceous, 0.6-0.8 mm long, fimbriate at apex.
Inflorescence a solitary raceme. Spikelets paired, dimorphlc, upper pedicellate and much reduced, ca. 1 mm long, lower one ca. 3 mm long; joint of rachis glabrous. Glumes chartaceous, margins folded, lower glume lanceolate ca. 2.8 mm long; upper glume slightly fimbriate, 1-nerved, as long as lower. Lower floret reduced. Upper floret membranaceous, slightly shorter than glume, ca. 2.5 mm long; lemma deeply 2-cleft, with a flexuous awn arising from sinus; palea linear-lanceolate, 2-keeled, margins fimbriate.

分布

台灣 : waste places and hillsides. As the species matures the leaves and sheaths turn a rosy red. It is rather rare in occurence.
世界 : Widely distributed in the Old World.

引證標本

TAIPEI: Leikungpo, Kuoh 2090. HSINCHU: Hsinchu, Hsu 1310. MIAOLI: Senghsing, Hsu 1350. PINGTUNG: Ssuchungchi, Hsu 13537. TAIWAN: Without locality, Sasaki s. n. 18 Apr 1932*.