Bothriochloa ischaemum

白羊草

Bothriochloa ischaemum (L.) Keng

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

Keng, Contributions from the Biological Laboratory of the Science Society of China : Botanical Series 10: 201. 1936. (Contr. Biol. Lab. Chin. Assoc. Advancem. Sci.)

台灣首次記錄發表文獻

Ohwi, Acta phytotaxonomica et geobotanica eng 11: 168. 1942. (Acta Phytotax. Geobot.)

異名

Andropogon ischaemum L. var. radicans Hack.

Honda, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 3: 343. 1930. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)
Andropogon taiwanensis Ohwi

Ohwi, Journal of Japanese Botany 12: 652. 1936. (J. Jpn. Bot.)

各語言俗名

英

Digitate golden-beard.
日

かものはしがや. カモノハシがや.

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

Annuals; culms tufted and base geniculate, nodes usually bearded; ligule membranaceous, rounded, ca. 1 mm long.
Spikelets paired, dimorphic; pedicelate spikelets darker than sessile. Sessile spikelets ca. 4 mm long, oblonglanceolate, dorsally concave, villous below; pedicei and rachis villous; glumes papery, pubescent dorsally, margins slightly membranaceous, ciliate; lower glume pointed, 2-keeled, ca. 4 mm long, 5-nerved; upper glume pointed, as long as lower glume, 3-nerved; lower lemma oblong-lanceolate, acute, slightly bifid, awnless, ca. 2 mm long, nerves obscure; upper lemma linear, as long as lower, with a terminal long awn of ca. 1 cm long, 1-nerved, upper palea oblong-lanceolate, ca. 0.5 mm long; anthers ca. 2 mm long.
A common grass in dry, poor soils in southern Taiwan.

分布

世界 : Widely from northwestern Himalaya to the Tibetan plateau at 4,000 m. Also in southern Europe, North Africa and extending to China and Taiwan.

引證標本

TAIPEI: Tanshui, Kao 5526. HSINCHU: Hsinchu, Masamune s. n. 5 Oct 1930. TAICHUNG: Taichung, Kuoh 1891. CHANGHUA: Tsaopu, Hsu 1093. YUNLIN: Huwei, Cheng & Kao 3057. TAINAN: Tainan, Hsu s n. 30 Jun 1960, Hsu 6465. KAOHSIUNG: Hsiaoliuchu, Chuang 3126. PENGHU: Shiyu, Hsu & Kuoh 14036. PINGTUNG: Tungkang, Hsu 126; Kenting, Hsu 519; Fengliao, Hsu 957*. TAITUNG: Chihpen, Sasaki 326.