Canavalia ensiformis

關刀豆

naturalized

Canavalia ensiformis DC.

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

DC., Prodromus Systematis Naturalis Regni Vegetabilis 2: 404. 1825. (Prodr.)

台灣首次記錄發表文獻

Chuang & Huang, The Leguminosae of Taiwan for pasture and soil improvement 19. 1965. (Leg. Taiwan past.)

異名

無

各語言俗名

中

刀豆.
英

Jack bean.
日

つるなしなたまめ. たちなたまめ.
台

To pan jîn tāu. Koan to tāu. Chhài to tāu.

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 150. 2010.
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

A twining annual herb, up to 160 cm high, nearly glabrous.
Leaves trifoliolate; terminal leaflets ovate, 5–10 cm long, 5–8 cm wide, obtuse apex with a short, subacute tip or emarginate apex, cuneate at the base, the upper surface sparsely clothed with appressed hairs, the lower surface nearly glabrous; stipules ovate, acute, 4–5 mm long, deciduous.
Racemes with long peduncles; flowers pink-purple, 3 cm long; calyx 2-lipped, the upper lip large, broadly 2-lobed, the lower one small, subtruncate.
Pods broad linear, up to 35 cm long, 2.5–4 cm wide, flat, slightly curved; seeds 10–20, white, elliptical; hilum 5–9 mm long.

分布

台灣 : In open seaside, river banks and margin of thickets
世界 : Japan, the Ryukyus and mainland China

引證標本

ILAN: Nanfangao, Huang 1852. TAOYUAN: Yungan, Huang 1758. MIAOLI: Tunghsiao, Huang 1764. CHNGHUA: Tienchung, Huang 287. TAINAN: Wushantou, Huang 1742. PINGTUNG: Oluanpi, Ohashi et al. 14672; Chialoshui, Huang & Huang 12993. TAIYUNG: Lanyu, Huang 5227. HUALIEN: Wenshan, Huang & Huang 9874; Tienhsiang, Huang & Huang 13353.