Stachytarpheta cayennensis

長穗木

naturalized

Stachytarpheta cayennensis (L. C. Rich) Vahl

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

Vahl, Enumeratio Plantarum 1: 208. 1804. (Enum. Pl.)

台灣首次記錄發表文獻

Yang, A list of plants in Taiwan 1109. 1982. (List Pl. Taiwan)

異名

Stachytarpheta jamaicensis auct. non (L.) Vahl

Liu, Illustrations of native and introduced ligneous plants of Taiwan 2: 1227. fig. 1035. 1962. (Ill. Nat. Intr. Lign. Pl. Taiwan)
Stachytarpheta jamaicensis (L.) Vahl f. albiflora S. S. Ying

S. S. Ying, Cloured illustrated flora of Taiwan : Includes introduced species 6: 609. photo 1607. 1998. (Col. Ill. Fl. Taiwan Intr. Pl.)
Stachytarpheta urticaefolia (Salisb.) Sims

Chen & Wu, Botanical bulletin of Academia Sinica 44: 168. 2003. (Bot. Bull. Acad. Sin.)

各語言俗名

中

藍蝶猿尾木. 玉龍鞭. 假敗醬. 猿尾木. 名佳草. 耳鉤草. 假馬鞭. 木馬鞭.
英

Lightblue snakeweed. Porterweed. Blue snakeweed. Jamaica false valerian.
日

ながぼそう.

參考文獻

Chang-Yang, Su, Chiang & Hsieh, Taiwania 67(1): 1. 2022.
Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 155. 2010.
Chen & Wu, Botanical bulletin of Academia Sinica 44: 167-174. 2003. (Bot. Bull. Acad. Sin.)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

shrub

形態特徵

Subshrubs; branches tetragonal, glabrous or slightly hairy.
Leaves ovate or oblong or elliptic, 3–7 cm long, 1.3–3 cm wide, apex acute or obtuse, base rounded and somewhat decurrent, margin serrate, subglabrous or hirtellous or strigose along veins, lateral veins 5 or 6 pairs. Spikes slender, to 35 cm long, glabrous or slightly pubescent.
Flowers blue, embedded in a deep groove in the peduncle; calyx 4–6 mm long, glabrous, short toothed; corolla tube cylindric, slightly curved, limb ca. 5 mm across.
Fruit dry, embedded in thickened rachis.

分布

台灣 : common at low altitudes.
世界 : Probably a native of tropical America. Widely distributed in the warmer regions of the world.

引證標本

NANTOU: Lienhuachih, W. F. Ho 179. CHANGHUA: Pakuashan, C. S. Kuo 1603; Chihchow Farm, C. C. Hsu 4752. TAINAN: Matou, T. Y. Chiang 522. KAOHSIUNG: Liukuei, T. Kiang et al. 74; Shoushan, C. S. Tang 717. PINGTUNG: Chiupeng, Y. M. Hsu 0480; Kaoshu, M. T. Kao 9880; Kengting Park, C. C. Hsu et al. 8162.