Untitled Document

The information on this page may be cited as a communication with professor
Thomas Mione, Central Connecticut State University,
Biology Department, Copernicus Hall, 1615 Stanley Street, New Britain, CT 06050

Chromosome counts of *Jaltomata* species
species	count n	count 2n	source	country	comments
J. chihuahuensis	n = 12		Mione & Bye 1996	Mexico	Meiocytes were stained by crushing immature anthers with a fine dissecting needle in a drop of filtered acetic carmine. Davis 1180 was grown/used.

J. darcyana		2n = 24	Mione & Yacher 2005	Costa Rica	two counts of 23 to 24, and one count of 24, Mione & Yacher 694

J. herrerae	n = 12		Roe, 1967	Peru	The specimen Iltis et al. 972 was used for the count, and T. M. independently identified this specimen as J. herrerae

J. lojae	n = 12		Mione & Serazo 1999	Ecuador	9 observations / counts, Mione 560

J. procumbens	n = 12		Davis, 1975	Costa Rica	Tilton Davis used Gentry & Burger 2960 (F)
J. procumbens		2n = 24	Menzel, 1950, and herbarium specimens at BH, US	no data	plants grown at Blandy Experimental Farm, Boyce, Virginia. Accession Mary M. Young 101, date 10 - 9 -1948.
J. procumbens, informally referred to as variety tlaxcala	n = 12		Mione's observations	Mexico	4 observations / counts; microscopy done 17 May 1992 on Mione 349, an accession having fruits green at maturity!
J. procumbens, informally referred to as variety tlaxcala	n = 12		Daniel Mugaburu working in the lab of Thomas Mione	Mexico	2 observations / counts; microscopy done 24 Aug 1995 on Mione 596, an accession having fruits green at maturity!
J. procumbens	n = 12		Mione's observations	Mexico	2 observations / counts, Mione 456
J. procumbens	n = 12		Mione's observations	Mexico	22 observations / counts, Mione 350
J. procumbens	n = 12		Mione's observations	Mexico	5 observations / counts, Mione 502
J. procumbens	n = 12		Mione's observations	Mexico	6 observations / counts, Mione 548, and one coherent group of 24 chromosomes observed
J. procumbens	n = 12		Mione's observations	Mexico	6 observations / counts, Mione 587

J. repandidentata	n = 12		Mione's observations	Mexico	several observations / counts, Mione 555
J. repandidentata	n = 12		Mione's observations	Mexico	several observations / counts July 1992, Mione 571

J. sagastegui	n = 12		Mione & Coe, 1996	Peru	6 observations/counts, Mione 536

J. umbellata	n = 12		Mione et al. 1993	Peru	1 to 2 observations/counts, Mione 432
J. umbellata		2n = 24	Diers, 1961	Peru

J. ventricosa	n = 12		Mione et al. 1993	Peru	7 observations/counts, Mione 535

J. viridiflora	n = 12		Heiser, 1963	Ecuador

Chromosome counts of Jaltomata species

species

count
n

count
2n

source

country

comments

J. chihuahuensis

n = 12

Mione & Bye 1996

Mexico

Meiocytes were stained by crushing immature anthers with a fine dissecting needle in a drop of filtered acetic carmine. Davis 1180 was grown/used.