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CCDB → Angiosperms → Dioscoreaceae → Dioscorea → Dioscorea alata L.

40 chromosome counts in Dioscorea alata L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Dioscorea alata L.	Dioscorea alata L.		40	IPCN online	Chin, H., M. Chang, P. Ling, C. Ting & F. Dou. 1985. A cytological study on Chinese Dioscorea L. - the chromosome numbers and their relation to the origin and evolution of the genus. Acta Phytotax. Sin. 23: 11–18.
		Dioscorea alata L.	Dioscorea alata L.	20	40, 60, 80	IPCN online	Abraham, K. & P. G. Nair. 1991. Polyploidy and sterility in relation to sex in Dioscorea alata L. (Dioscoreaceae). Genetica 83: 93–97.
		Dioscorea alata L.	Dioscorea alata L.		40	IPCN online	Pal, A. & A. K. Sharma. 1980. Analysis of cytotypes of Dioscorea and scope of increasing the diosgenin content. Cellule 73: 117–134.
		Dioscorea alata L.	Dioscorea alata L.	20	40,50,80	IPCN online	Baquar, S. R. 1980. Chromosome behaviour in Nigerian yams (Dioscorea). Genetica 54: 1–9.
		Dioscorea alata L.	Dioscorea alata L.		70,80	IPCN online	Sharma, A. K. 1970. Annual report, 1967-1968. Res. Bull. Univ. Calcutta Cytogenetics Lab. 2: 1–50.
!		Dioscorea alata var. purpurea (Roxb.) A. Pouchet	Dioscorea alata L.		80	IPCN67-71	RAMACHANDRAN, K. 1968. Cytological studies in Dioscoreaceae. Cytologia 33: 401-410.
		Dioscorea alata L.	Dioscorea alata L.		70	IPCN75-78	80
		Dioscorea alata L.	Dioscorea alata L.		60	IPCN73-74	RAO, V.R., R.K. BAMMI, & G.S. RANDHAWA. 1973. Interspecific hybridization in the genus Dioscorea. Ann. Bot. (London) 37: 395-401.
!		Dioscorea alata L.	Dioscorea alata L.		20, 30, 40, 50, 60, 70, 50, 51	Kumar, 1987	Martin, F.W. & Ortiz, S. 1963
!		Dioscorea alata L.	Dioscorea alata L.		20, 50	Kumar, 1987	Sh~rma, A.K. & Sharma, A. 1957
!		Dioscorea alata L.	Dioscorea alata L.		30, 35, 40, 50, 52, 55, 66, 70	Kumar, 1987	Sharma, A.K. & De, D. 1955
!		Dioscorea alata L.	Dioscorea alata L.		30, 40	Kumar, 1987	Ghosh, I. & Sharma, A.K. 1969
!		Dioscorea alata L.	Dioscorea alata L.		30, 40, 50, 70	Kumar, 1987	Sharma, A.K. & De, D.N. 1956a
!		Dioscorea alata L.	Dioscorea alata L.		40	Kumar, 1987	Miege, J. 1954; Simmonds, N.W. 1954 ; Sarkar, A .K., Chakraverty, M. et a!. 1950
!		Dioscorea alata L.	Dioscorea alata L.		40, 45, 60, 50	Kumar, 1987	Bhaumik, G. 1971
!		Dioscorea alata L.	Dioscorea alata L.		40, 60	Kumar, 1987	Ramachandran, K. 1965
!		Dioscorea alata L.	Dioscorea alata L.		40, 60, 50	Kumar, 1987	Ramachandran, K. 1962
!		Dioscorea alata L.	Dioscorea alata L.		60, 50	Kumar, 1987	Raghavan, R.S. 1958a
!		Dioscorea alata L.	Dioscorea alata L.		c.51	Kumar, 1987	Smith, B.W. 1937
!		Dioscorea alata Linn.	Dioscorea alata L.		60	Kumar, 1987	, Ghosh, I. & Sharma, A.K. 1969
!		Dioscorea alata var. purpurea (Roxb.) A. Pouchet	Dioscorea alata L.		80	Kumar, 1987	Ramachandran, K. 1965
!		Dioscorea alata L.	Dioscorea alata L.		30,40,50,60,70,80	eFlora
		Dioscorea alata L.	Dioscorea alata L.		20, 30, 40, 50, 60,70, 80, 81	Fedorov, 1974	Martin F. W., Ortiz 1963
		Dioscorea alata L.	Dioscorea alata L.		30, 40, 50, 70	Fedorov, 1974	Sharma A. K., De 1956a
		Dioscorea alata L.	Dioscorea alata L.		40	Fedorov, 1974	Miege 1954
		Dioscorea alata L.	Dioscorea alata L.		40	Fedorov, 1974	Simmonds 1954
		Dioscorea alata L.	Dioscorea alata L.		40, 60, 80	Fedorov, 1974	Ramachandran 1962
		Dioscorea alata L.	Dioscorea alata L.		50	Fedorov, 1974	Sharma A. K., Sharma A. 1957
		Dioscorea alata L.	Dioscorea alata L.		60, 80	Fedorov, 1974	Raghavan R. S. 1958a
		Dioscorea alata L.	Dioscorea alata L.		~81	Fedorov, 1974	Smith B. W. 1937
!		Dioscorea alata L.	Dioscorea alata L.		40	Darlington, 1955	Simmonds 1954
!		Dioscorea alata L.	Dioscorea alata L.		c.81	Darlington, 1955	Nakajima 1936
!		Dioscorea alata L.	Dioscorea alata L.		40	C-values database	Arumuganathan K, Earle ED. 1991. Nuclear DNA content of some important plant species. Plant Molecular Biology Reporter 9: 208-218.
!		Dioscorea alata L.	Dioscorea alata L.		80	C-values database	Dansi A, Saïnou O, Agbangla C, Ahanhanzo C, Brown S, Adoukonou-Sagbadja H. 2005. Ploidy level and nuclear DNA content of some accessions of water yam (Dioscorea alata) collected at Savè, a district of central Benin. Plant Genet. Res. Newslet. 144: 20-23.
		Dioscorea alata L.	Dioscorea alata L.		40	Cave1956supp	Miege 1954
		Dioscorea alata L.	Dioscorea alata L.		30, 40, 50, &70	Cave1958	Sharma & De 1956
!		Dioscorea alata L.	Dioscorea alata L.		20, 50	Cave1958	Sharma & Sharma 1957
		Dioscorea alata L.	Dioscorea alata L.		40, 60, 80	Cave1958	Raghavan 1958a
		Dioscorea alata L.	Dioscorea alata L.	20	40, 60, 80	Cave1962	Ramchandran 1962
		Dioscorea alata L.	Dioscorea alata L.		40, 60	Cave1963	Martin & o. 1963