Cladium jamaicense

克拉莎

Cladium jamaicense Crantz

名彙資訊

特徵描述

典藏標本

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Crantz, Institutiones Rei Herbariae 1: 362. 1766. (Inst. Rei Herb.)

Cladium chinense Nees

Ohwi, Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 18: 10. 1944. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)
Cladium jamaicense Crantz var. chinense (Nees) T. Koyama

Koyama, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 8(3): 121. 1961. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot., 東京帝國大學理學部紀要, 第三類, 植物學)
Cladium jamaicense Crantz ssp. chinense (Nees) T. Koyama

Koyama, Flora of Taiwan 5: 295. 1978. (Fl. Taiwan, 台灣植物誌)

herb

Culm 1-3 m tall, terete, often bearing extra-vaginal shoots at lower nodes.
Leaves cauline, 60-90 cm long, 8-15 mm wide, thickly coriaceous, strongly serrulate-scabrous on margins; sheaths shorter than internode.
Inflorescence 30-90 cm long, with terminal and lateral 5 to 9 anthelas those rather contiguous or lower ones spaced; bracts leafy, sheathing at base, lowers much longer than subtending anthelas. Spikelets congested in globose heads of 4-12, ovate-elliptic to broadly so, 3 by 2 mm, rusty brown. Glumes 6-8, broadly ovate. Flowers bisexual, lower one sterile.
Achene 2.5 mm long, brown, rounded at base, apiculate at apex.