Vincetoxicum katoi (Ohwi) Kitag. [ Cynanchum katoi Ohwi]
      
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6 1063371 Vincetoxicum katoi (Ohwi) Kitag. [125 306205 Cynanchum katoi Ohwi] Asclepiadaceae
J. Ohwi, Flora of Japan (in English): t. 13 (1965) [K. Inami]