. 2022 Apr 26;16(2):93–125. doi: 10.3897/compcytogen.v16.i2.79033

Table 6.

Cytogenetic information on Benincaseae#.

Genera studied	Species studied	Chromosome no.			Ploidy, Genome size, Chromosome features	References
Genera studied	Species studied	x	2n	n	Ploidy, Genome size, Chromosome features	References
Benincasa	B.fistulosa		24^a		Diploid^b; 45S (4) and 5S (4) signals^c	Li et al. (2016) ^a,b,c
Benincasa	B.hispida	12^a	24^b	12^c	Diploid^d; 2C (flow cytometry):1.97pg^e, 2C (feulgen densitometry):2.1pg^f; CSR 2.54-4.59µm^g; 16m+6Sm+2Sm.t^h; NORs:2ⁱ; distal CMA signals^j; 45S (2) and 45S+5S (2) adjacent rDNA signals^k	Plant DNA C-Values Database^f, Waminal et al. (2011)^b,d,g,k, Bhowmick and Jha (2015a)^{b,c,d,e,h,i,j}
Citrullus		11^a				Darlington and Janaki Ammal (1945) ^a
	C.amarus (syn. C.lanatusvar.citroides)	11^a	22^b		Diploid^c; CSR: 3.1–4.7μm^d; 45S (2) and 5S (4) rDNA signals^e	Reddy et al. (2013)^b-d, Waminal and Kim (2015)^a-e, Renner et al. (2017)^b
	C.colocynthis		22^a	11^b	Diploid^c; 45S (2) and 45S+5S (2) adjacent rDNA signals^d	Beevy and Kuriachan (1996)^b, Reddy et al. (2013)^a,c,d, Li et al. (2016)^a,c,d
	C.ecirrhosus		22^a	11^b	Diploid^c; 2 satellites detected in meiosis^d; 45S (2) and 5S (4) rDNA signals^e; regular meiosis^f	Li et al. (2016)^a,c,e, Renner et al. (2017)^a,b,c,d,f
	C.lanatus		22^a	11^b	Diploid^c; CSR: 1.09μm-1.72μm^d; 14m+8sm^e; 45S (2) and 45S+5S (2) adjacent rDNA signals^f; linkage groups hybridized to chromosomes^g	Beevy and Kuriachan (1996)^b, Waminal et al. (2011)^a,c,d,e,f, Ren et al. (2012)^a,c,g
	C.lanatussubsp.lanatus		22^a		Diploid^b; 45S (2) and 5S (4) rDNA signals^c	Li et al. (2016) ^a-c
	C.lanatussubsp.mucosospermus Fursa, 1972		22^a		Diploid^b; 45S (2) and 45S+5S (2) adjacent rDNA signals^c	Li et al. (2016) ^a-c
	C.lanatussubsp.vulgaris Schrader, 1836		22^a		Diploid^b; 45S (2) and 45S+5S (2) adjacent rDNA signals^c	Li et al. (2016) ^a-c
	C.lanatusvar.lanatus		22^a		Diploid^b; 45S (2) and 45S+5S (2) adjacent rDNA signals^c	Reddy et al. (2013) ^a-c
	C.naudinianus (syn Acanthosicyosnaudinianus)		24^a		Diploid^b; 45S (2) and co-localized 45S+5S (2) rDNA signals^c	Li et al. (2016) ^a,b,c
	C.rehmii		22^a		Diploid^b; 45S (2) and 5S (2) rDNA signals^c	Reddy et al. (2013)^a-c, Li et al. (2016)^a-c
	C.vulgaris Schrader, 1836		22^a, 44^b	11^c	Diploid^d; 2C: 0.88/0.90pg^e	IPCN^a,c,d, Arumuganathan and Earle (1991)^e
Coccinia (30)		12^a				Darlington and Janaki Ammal (1945) ^a
	C.abyssinica Lamarck, 1753	12^a	24^b		-	Kumar and Subramaniam (1987)^a, Roy et al. (1991)^b
	C.grandis	12^a	24^b	12^c	Diploid^d, 2C (Flow cytometry): male- 0.943^e/0.92^f pg and female- 0.849^g/ 0.73^h pg; CSR: 1.33-4.71μm (male) and 1.35-2.26µm (female)ⁱ; 15m+4M+2sm+2m:sm+1m:st (Y) in male and 14m+6M+2sm+2m:st in female^j; NORs-2^k; chromosomal C bands^l; centromeric, nucleolar CMA bands^m; 45S (4)ⁿ rDNA signals, 2 signals adjacent to 5S^o; GISH performed^p; repetitive, organellar DNA hybridized^q; centromere immunofluorescence^r; heteromorphic sex chromosomes (largest Y)^s; X-Y bivalent (meiosis)^t	Bhowmick et al. (2012)^{b,c,d,j,k,m,s,t}, (2016) ^{b,d,f,h,j,k,n,s}, Sousa et al. (2013)^{b,d,e,g,i,k,l,n,o,r,s,t}, Sousa et al. (2017)^{b,d,k,n,o,p,q,r,s}, Xie et al. (2019a)^b,n,o
	C.hirtella Cogniaux, 1896		24^a		Diploid^b; 2C (flow cytometry): male-0.988pg^c; 45S (4) and 45S+5S (2) adjacent rDNA signals^d, repetitive and organellar DNA hybridized^e; centromere immunofluorescence performed^f	Sousa et al. (2017) ^a-f
	C.sessilifolia Sonder, 1881		24^a		Diploid^b; 2C (Flow cytometry): male- 0.984pg, female- 0.998pg^c; 45S (4) and 45S+5S (2) adjacent rDNA signals^d; repetitive and organellar DNA^e; centromere immunofluorescence performed^f	Li et al. (2016)^a,b,d, Sousa et al. (2017)^a–f
	C.trilobata		20^a		Diploid^b; 2C (flow cytometry): male- 1.263pg ^c; 45S (2) and 45S+5S (2) adjacent rDNA signals^d, repetitive, organellar DNA sequence hybridized^e	Sousa et al. (2017) ^a-e
Ctenolepis Hooker, 1867	C.garcinii Burman, 1768		24^a	12^b	-	Kumar and Subramaniam (1987)^a, Beevy and Kuriachan (1996)^b
Diplocyclos Endlicher, 1833	D.palmatus		24^a		Diploid^b; 45S (4) and 45S+5S (2) adjacent rDNA signals^c	Li et al. (2016) ^a-c
Lagenaria Seringe, 1825	L.leucantha Rusby, 1896		22^a	11^b	-	IPCN^a,b, CCDB^a,b
	L.leucanthavar.clavata Makino, 1940		22^a		-	CCDB ^a
	L.siceraria	11^a	22^b	11^c	Diploid^d, 2C (flow cytometry): 0.734pg^e; 2C (Feulgen densitometry):1.4pg^f; CSR: 0.56–1.06μm^g; metacentric and few sub-metacentric chromosomes^h; 45S (2) and 45S+5S (2) adjacent rDNA signalsⁱ	Darlington and Janaki Ammal (1945)^a, Plant DNA C-Values Database^f, Beevy and Kuriachan (1996)^c, Achigan-Dako et al. (2008)^d,e, Waminal and Kim (2012)^b,d,g,h,i, Li et al. (2016)^b,d,i, Xie et al. (2019a)^b,i
	L.sicerariavar.macrocarpa		22^a		-	CCDB ^a
	L.vulgaris Seringe, 1825		22^a	11^b	Diploid^c; 2C (Feulgen densitometry): 1.40pg^d	Bennet et al. (1982)^a,b,c
Melothria		11^a, 12^b				Darlington and Janaki Ammal (1945) ^a,b
	M.pendula Linnaeus, 1753		24^a		Diploid^b; 45S (2) and 45S+5S (2) adjacent rDNA signals^c	Li et al. (2016) ^a-c
	M.perpusilla Blume, 1826		48^a		-	Kumar and Subramaniam (1987) ^a
	M.scabra Naudin, 1866		24^a		-	CCDB ^a
Peponium Engler, 1897	P.betsiliense Keraudren, 1960		24^a		-	CCDB ^a
Solena	S.amplexicaulis Lamarck, 1785 (syn. S.heterophylla, Melothriaheterophylla, Zehneriaumbellata)		22^a, 24^b, 26^c, 36^d, 48^e	11^f, 12^g, 24^h	2-4 Bⁱ	Kumar and Subramaniam (1987)^a,b,c,e, Roy et al. (1991)^d,i, Beevy and Kuriachan (1996)^b,g,h, IPCN^b,d,e,f,g,h
Zehneria	Z.capillacea Jeffrey, 1962 (syn. Melothriacapillacea)		22^a		-	CCDB ^a
	Z.indica Loureiro, 1790 (syn. Melothriajaponica)	11^a	22^b	24^c	Diploid^d; 45S (2) and 45S+5S (2) adjacent rDNA signals^e	Waminal and Kim (2015) ^a,b,d,e
	Z.marlothii Cogniaux, 1962		24^a		Diploid^b; 45S (2) and 45S+5S (2) adjacent rDNA signals^c	Li et al. (2016) ^a,b,c
	Z.maysorensis Wight et Arnott, 1834		48^a	24^b	45S (2) and 5S (2) signals^c	Beevy and Kuriachan (1996)^a,b, Xie et al. (2019a)^a,c
	Z.mucronata Blume, 1856 (syn. Melothriamucronata)		22^a	12^b	-	Darlington et al. (1956)^a, CCDB^b
	Z.scabra Sonder, 1862 (syn. Melothriapunctata)		24^a, 48^b		-	CCDB^a, Kumar and Subramaniam (1987)^b
	Z.thwaitesii Schweinfurth, 1868		44^a		-	CCDB ^a

# genera included other than Cucumis; x: base number; 2n: zygotic number; n: gametic number; NOR: nucleolar organizing region; B: B chromosome; II: bivalents; IPCN: Index to Plant Chromosome Number Reports; CCDB: Chromosome Counts Database; superscripts correspond to references.