Cynanchum acutum explained

Cynanchum acutum is a species of climbing vine swallowworts native to Europe, Africa, and Asia.^[1]

Taxonomy

Two subspecies are often distinguished:

• Cynanchum acutum subsp. acutum, Europe, Africa, western Asia
• Cynanchum acutum subsp. sibiricum, Asian

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000419 Flora of China Vol. 16 Page 210 戟叶鹅绒藤 ji ye e rong teng Cynanchum acutum subsp. sibiricum (Willdenow) K. H. Rechinger, Fl. Iranica. 73: 9. 1970.