Gynura bicolor

紅鳳菜

naturalized

Gynura bicolor (Roxb. & Willd.) 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

DC., Prodromus Systematis Naturalis Regni Vegetabilis 6: 299. 1838. (Prodr.)

Forbes & Hemsl., The journal of the Linnean Society of London. Botany 23: 447. 1888. (J. Linn. Soc., Bot.)

無

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 147. 2010.
Hui-Chun Hsu, Plant use knowledge of Hakka ethnobotany in Beipu township, Hsinchu county. Master thesis. National Pingtung University of Science and Technology . 2007. (Plant use knowledge of Hakka ethnobotany in Beipu township, Hsinchu county.)
Hsiao-Ting Wu, Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county. Master thesis. National Pingtung University of Science and Technology . 2007. (Plant use knowledge of Hakka ethnobotany in Dahu Township, Miaoli county.)
Chen, The Invasive Alien Plant in Miaoli 114. 2006. (Invas. Al. Pl. Miaoli)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

herb

Herbs, perennial, spreading decumbent to erect. Stems fleshy, slightly woody at base, much branched, leafy throughout.
Leaves obovate to oblanceolate, 5–10 cm long, apex acute, margins irregularly serrate, sometimes lower leaves pinnatifid; petiole of lower leaves expanding into an auriculate base clasping stem, upper leaves sessile, base auriculate.
Heads many, in corymbs, to 2 cm long, florets orange-yellow. Involucral bracts glabrous, narrowly linear to filiform; anther base entire or minutely sagittate, style arms slender, appendages long, subulate, pubescent.
Achenes cylindric, 10–15-ribbed, glabrous or pubescent. Pappus copious.
Chromosome number, 2n = 20 (Peng & Hsu, 1978).