Image/JPEG: Biondia... www.efloras.org

Biondia chinensis Facts -... www.earthsendangered.com

Images of Asclepiadaceae... flora.huh.harvard.edu

Biondia chinensis Facts -... www.earthsendangered.com

Full article:... www.tandfonline.com

Images of Asclepiadaceae... flora.huh.harvard.edu

Plant | Nature Library |... naturelib.net

Images of Asclepiadaceae... flora.huh.harvard.edu

Images of Asclepiadaceae... flora.huh.harvard.edu

Images of Asclepiadaceae... flora.huh.harvard.edu

Characterization of the... www.tandfonline.com

Images of Asclepiadaceae... flora.huh.harvard.edu

PDF) Characterization of... www.researchgate.net

World Plants: Plant List www.worldplants.de

Vincetoxicum - Wikispecies species.wikipedia.org

World Plants: Plant List www.worldplants.de

Biology | Free Full-Text |... www.mdpi.com

Xun LIAO | Professor (Full)... www.researchgate.net

File:Indian ipecac or... en.wikipedia.org

秦岭藤- 图片/介绍/花期/花语/知识- 千草植物 www.qiancao.com