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CCDB → Angiosperms → Gentianaceae → Exacum → Exacum courtallense Arn.

4 chromosome counts in Exacum courtallense Arn.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Exacum courtallense	Exacum courtallense Arn.	34		IPCN online	Mallikarjuna, M. B., A. SHERIFF & D. G. Krishnappa. 1987. Chromosome Number Reports 97. Taxon 36: 766–767.
!		Exacum courtallense	Exacum courtallense Arn.		68	IPCN online	Mallikarjuna, M. B. 1985. Karyomorphological and cytotaxonomic studies in the family Gentianaceae. Ph.D. Thesis, Bangalore University. ý.
		Exacum courtallense var. laxiflorum Gamble	Exacum courtallense Arn.		68	IPCN online	Mallikarjuna, M. B., A. SHERIFF & D. G. Krishnappa. 1987. Chromosome Number Reports 97. Taxon 36: 766–767.
		Exacum courtallense var. laxiflorum Gamble	Exacum courtallense Arn.		68	IPCN online	Mallikarjuna, M. B. 1985. Karyomorphological and cytotaxonomic studies in the family Gentianaceae. Ph.D. Thesis, Bangalore University. ý.