Sohnsia

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Poaceae
Subfamilia: Chloridoideae
Tribus: Cynodonteae
Subtribus: Sohnsiinae
Genus: Sohnsia
Species: S. filifolia
Name

Sohnsia Airy Shaw, Kew Bull. 18: 272 (1965) nom. nov.
monotypic taxon

Synonyms

Heterotypic
Calamochloa E.Fourn., Bull. Soc. Bot. France 24: 178 (1877).
Eufournia Reeder, Brittonia 19: 244 (1967), nom. illeg.

References

Airy Shaw, H.K. (1965) Kew Bulletin 18(2): 272.
Govaerts, R. et al. 2013. Sohnsia in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2013 Nov. 13. Reference page.
Simon, B.K., Clayton, W.D., Harman, K.T., Vorontsova, M., Brake, I., Healy, D. & Alfonso, Y. 2013. GrassWorld, Sohnsia. Published on the internet. Accessed: 2013 Nov. 13.
Tropicos.org 2013. Sohnsia. Missouri Botanical Garden. Published on the internet. Accessed: 2013 Nov. 13.
International Plant Names Index. 2013. Sohnsia. Published online. Accessed: 13 Nov. 2013.

Sohnsia is a genus of plants in the grass family.[2][3] The only known species is Sohnsia filifolia, native to the States of San Luis Potosí and Querétaro in northeastern Mexico.[1][4][5] It is dioecious, with its chromosome number being 2n = 20.[6]
References

Kew World Checklist of Selected Plant Families
Airy Shaw, Herbert Kenneth. 1965. Kew Bulletin 18(2): 272.
Grassbase - The World Online Grass Flora
Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México D.F..
Espejo Serna, A., A. R. López-Ferrari & J. Valdés-Reyna. 2000. Poaceae. Monocotiledóneas Mexicanas: una Sinopsis Florística 10: 7–236
Singh, D. N. (1972). "Sex and Supernumerary Chromosomes in the Dioecious Grass Sohnsia filifolia". Canadian Journal of Genetics and Cytology. 14: 175–180. doi:10.1139/g72-020.