Hemarthria compressa

扁穗牛鞭草

Hemarthria compressa (L. f.) R. Br.

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

R. Br., Prodromus Florae Novae Hollandiae 207. 1810. (Prodr. Fl. Nov. Holl.)

台灣首次記錄發表文獻

Ohwi, Acta phytotaxonomica et geobotanica eng 11: 177. 1942. (Acta Phytotax. Geobot.)

異名

Rottboellia compressa L. f.

Honda, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 3: 369. 1930. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)

各語言俗名

英

Whip grass.
日

こばのうしのしつべい.

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 ascending, basal part branching and rooting, creeping; flowering culms to 1 m high.
Blade obtuse, glabrous, 5-10 cm long; ligule of a ring of short hairs; sheath glabrous, shorter than internode.
Spike single, terminal or axillary, sometimes several aggregated, 5-10 cm long; rachis and pedicel united, nearly as long as sessile spikelet. Spikelets paired, one pedicelate and other sessile. Sessile spikelets ca. 4 mm long, with a distinct callus of ca. 1 mm long, spikelet sunken in a cavity tormed by adnation of rachis and pedicel; glumes coriaceous; lower glume ovate-lanceolate, dorsally flat; upper glume boat shaped, nearly as long as spikelet; lower lemma ca. 3 mm long, membranaceous, epaleate, neutral; upper lemma slightly shorter than lower lemma, enclosing a small upper palea; anthers ca. 2 mm long.
Caryopsis ovate-orbicular, ca. 2 mm long.
Variable in height and form of the plant. Usually straggling in shrubs and hedges. Grazed and favored by livestock.

分布

台灣 : common.
世界 : India, Sri Lanka, Myanmar, Malaysia, China and Japan.

引證標本

ILAN: Fulong, Kuoh 4161; Chiaohsi, Hsu 819. TAOYUAN: Neili, Hsu 1217. MIAOLI: Chunan, Hsu 485. TAICHUNG: Yehmei, Hsu 4712; Taichung, Kuoh 1527. NANTOU: Tuchen, Kuoh 3870; Puli, Hsu s. n. 29 Oct 1960. CHIAYI: Fenchihu, Feng & Kao 4947*. TAINAN: Sanhutang, Kuoh 3958. PINGTUNG: Hengchun, Hsu 502.