Genome Size Dynamics and Evolution in Monocots

Table 2

Genomic characteristics of the major monocot lineages

	Range of chromosome numbers (2n)	Occurrence of bimodal karyotypes	No. of species with C-values	Genome size data
				Min. 1C-value (pg)	Max. 1C-value (pg)	Mean 1C-value(pg)	Range of 1C DNA amounts (max./min.)
Acorales	24–48	No	2	0.40	0.70	0.55	1.8
Alismatales	10–168	Common	106	0.30	24.05	7.16	80.2
Petrosaviales	24–60	Yes	0	—	—	—	—
Dioscoreales	12–140	Yes (Thismia, Burmanniaceae)	14	0.41	6.75	1.31	16.5
Pandanales	14–60	Yes but rare (only in Triuridaceae)	8	0.40	1.50	0.92	3.8
Asparagales	4–228	Common	1130	0.33	82.15	12.81	248.9
Liliales	10–216	Common	142	1.53	127.4	39.26	47.5
Dasypogonaceae	14-72	Yes in Calectasia	1	0.44	0.44	0.44	—
Arecales	26–c. 600	No	89	0.9	30.00	3.88	33.3
Commelinales	8–170	Yes but not common (only in some genera of Commelinaceae)	113	0.78	43.40	14.78	55.6
Zingiberales	8–105	No	71	0.30	6.00	1.06	20.0
Poales	4–266	Uncommon	951	0.20	26.00	4.81	130.0