Rottboellia cochinchinensis

羅氏草

Rottboellia cochinchinensis (Lour.) Clayton

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

Clayton, Kew bulletin 35(4): 817. 1981. (Kew Bull.)

台灣首次記錄發表文獻

Chen et al., Grass. Fl. of Taiwan 3: . 2015.

異名

Rottboellia exaltata (L.) 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.)
Rottboellia exaltata (L.) L. f. var. appendiculata Hack.

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

中

筒軸茅.
英

Itch grass.
日

けあいあし.

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

Rhizome elongated. Culms tufted, ca. 5 mm across.
Blade to 30 cm long, 6 mm wide.
Inflorescence of a single raceme, ca. 10 cm long. Spikelets paired, dimorphic; joint of rachis swollen, fused with pedicel of more or less reduced upper spikelet. Lower spikelet sunken in a cylindrical joint of rachis, ca. 4.2 mm long; lower glume coriaceous, broadly lanceolate, as long as spikelet, 7-9-nerved, tessellate nerved on upper part; upper glume of same texture, entirely sunken in cavity of joint of rachis, boat shaped, numerous nerved. Lower floret oblong, as long as glume; lemma 3-nerved, chartaceous, margins slightly folded and membranaceous; palea subcoriaceous, margins folded and membranaceous. Upper floret membranaceous; lemma broadly deltoid, margins folded; palea lanceolate or deltoid, 2-3 mm long.

分布

世界 : Tropical Asia and Africa, Malaysia, Australia and China.

引證標本

TAICHUNG: Tsolungpu, Hsu 4677. CHANGHUA: Pakuashan, Kuoh 1602. NANTOU: Lienhuachi, Suzuki s. n. 10 Jul 1930. KAOHSIUNG: Kaohsiung, Matuda s. n. 9 May 1916. PINGTUNG: Oluanpi, Hsu 516. TAITUNG: Chihpen, Hsu 336; Lanyu Is., Hsu 4797. TAINAN: Morimoto s. n. 9 Aug 1942*.