Cynanchum thesioides (Freyn) Schumann [ Asclepias sibirica L.]
      
no HD illustration available (m4)
6 306652 Cynanchum thesioides (Freyn) Schumann [125 1063582 Vincetoxicum thesioides Freyn] Asclepiadaceae
J.G. Gmelin, Fl. Sibir., vol. 4 : t. 41 (1769)