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CCDB → Angiosperms → Apocynaceae → Cynanchum → Cynanchum obtusifolium L.

2 chromosome counts in Cynanchum obtusifolium L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Cynanchum obtusifolium L.	Cynanchum obtusifolium L.		22	IPCN online	Liede, S. 1993. A taxonomic revision of the genus Cynanchum L. (Asclepiadaceae) in southern Africa. Bot. Jahrb. Syst. 114: 503–550.
!		Cynanchum obtusifolium L.	Cynanchum obtusifolium L.		22	IPCN online	Liede, S. 1996. A revision of Cynanchum (Asclepiadaceae) in Africa. Ann. Missouri Bot. Gard. 83: 283–345.