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CCDB → Angiosperms → Apocynaceae → Duvalia → Duvalia sulcata N. E. Br.

2 chromosome counts in Duvalia sulcata N. E. Br.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Duvalia sulcata	Duvalia sulcata N. E. Br.		22	IPCN online	Meve, U. 1997. The genus Duvalia (Stapelieae): stem-succulents between the Cape and Arabia. Pl. Syst. Evol., Suppl. 10: 1–132.
!		Duvalia sulcata N. E. Br.	Duvalia sulcata N. E. Br.		44	IPCN72	REESE, G. 1972. Untersuchungen ueber die Chromosomenzahlen der Stapeliae. II. Portugalie Acta Biol. Ser. A 12(1-2): 1-23.