As classified in WFO snapshot
December 2023
Warning: older classification
form
Cynanchum amplexicaule f. castaneum
(Makino) C.Y.Li
This form name was first published in Clavis Pl. Chinae Bor.-Or. , ed. 2: 529 (1995)
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .