Table 1.

Fagopyrum species: hetero-styled self-incompatibility (SI), hetero-styled, self-compatibility (SC) and homo-styled self-compatibility (SC), ploidy level and genome size.

Species	Nuclear DNA Amount (pg) *	C-Value **	Ploidy/Chromosome Number	References
Mating system: hetero-styled species, thrum/pin flower, self-incompatibility (SI)
F. esculentum	2.77 5.49	1.39 1.37	2n/16 4n/32	[30,53,54,55,56]
F. cymosum	2.32 3.37	1.16 0.48	2n/16 4n/32	[54,55,57]
F. lineare	1.08	/	2n/16	[58,59]
F. urophyllum	3.83	/	2n/16	[60,61]
F. statice	1.35	0.68	2n 16	[61]
F. leptopodum	1.43	0.72	2n/16	[62,63]
F. gilessii	1.80	/	2n 16	[63]
F. capillatum	1.71	0,68	2n/16	[30]
F. gracilipedoides	/	/	2n/16	[34]
F. jinshaense	/	/	2n/16	[34]
F. pilus	1.52	/	4n/32	[33]
F. megaspartanium	/	/	4n/32	[33]
F. densovillosum	/	/	2n/16	[64]
F. qiangcai	/	/	2n/16	[38]
F.luojishanense	/	/	2n/16	[39]
F. hailuogouense	/	/	4n/32	[40]
Mating system: hetero-styled species, self-compatibility (SC)
F. pleioramosum	3.05	1.53	2n/16	[30]
F. callianthum	/	/	2n/16	[30]
F. macrocarpum	2.32	/	2n/16	[32]
F. wenchuanense	/	/	2n/16	[38]
F. longzhoushanense	/	/	2n/16	[42]
F. longistylum	/	/	2n/16	[4]
Mating system: homo-styled species, self-compatibility (SC)
F. tataricum	1.11	0.56	2n/16	[53,65,66]
F. homotropicum	2.46 5.20	1.23 1.30	2n/16 4n/32	[30,66]
F. gracilipes	3.35	0.84	4n/32	[62,67]
F. crispatifolium	/	/	4n/32	[35]
F. pugense	/	/	2n/16	[36,39,41]
F. rubifolium	3.31	/	4n/32	[32]
F. zuogongense	/	/	2n/16	[33]
Mating system: unknown
F. tibeticum	/	/	2n/48	[68]
Interspecific hybrid F. cymosum × another species with hetero-styled flowers
F. giganteum	2.52	/		[69]

* [70] Nagano et al., 2000, ** genome size of the haploid nucleus, /—unknown.