Galinsoga parviflora

小米菊

naturalized

Galinsoga parviflora Cav.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

如頁面顯示有問題，請填寫回報表單
如有任何意見也請留言，謝謝。

名彙資訊

學名發表文獻

Cav., Icones et Descriptiones Plantarum, quae aut sponte 3: 41. pl. 281. 1795. (Icon.)

台灣首次記錄發表文獻

Hsu, Taiwania 18(1): 67. 1973.

異名

無

各語言俗名

無

參考資料

特徵描述

生活型

herb

形態特徵

Branched annuals 10–60 cm tall; stems nearly glabrous below, pilose red capitate glands near inflorescence.
Leaves short petiolate, ovate to ovate-lanceolate, to 5×3.5 cm, sparingly serrate, 3-nerved. Involucre semi-globose.
Ray florets 5, white, without pappus; disc florets with awnless pappus scales about equalling or longer than corolla.
Achenes strigillose.
Chromosome number, 2n = 16 (Peng & Hsu, 1978).

分布

台灣 : naturalized around farms and villages, 1,500–2,100 m.
世界 : Native of tropical America, now a cosmopolitan weed.

引證標本

TAICHUNG: Wuling farm, Peng 11986. NANTOU: Mayfeng farm, Peng 6292. CHIAYI: Chuchi, Lai 33.Similar to G. quadriradiata, differing in being less pilose and in characters shown in the key to species.