Calyptridium

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Montiaceae
Genus: Calyptridium
Species: C. arizonicum – C. monandrum – C. monospermum – C. parryi – C. pulchellum – C. pygmaeum – C. quadripetalum – C. roseum – C. umbellatum
Name

Calyptridium Nutt. Fl. N. Amer. (Torr. & A. Gray) 1(2): 198. (1838)

Type species: Calyptridium monandrum Nutt. Fl. N. Amer. (Torr. & A. Gray) 1(2): 198. (1838)

Note: Often included in Cistanthe, but see Guillams (2009), Nyffeler & Eggli (2010) and Simpson et al., (2010)
References

Nuttall, T. 1838. A Flora of North America, A (Torrey & Gray) 1(2): 198.
Hassler, M. 2017. Calyptridium. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2017. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2017 Dec. 22. Reference page.
Guilliams, C.M. 2009. Phylogenetic reconstruction, character evolution, and conservation in the genus Calyptridium (Montiaceae). M.S. thesis. San Diego State University, San Diego, CA. Full text PDF.
International Plant Names Index. 2017. Calyptridium. Published online. Accessed: Apr. 2 2017.
Nyffeler, R. & Eggli, U. 2010. Disintegrating Portulacaceae: A new familial classification of the suborder Portulacineae (Caryophyllales) based on molecular and morphological data. Taxon 59(1): 227–240. Abstract. Full text (PDF). Reference page.
Simpson, M.G., Silveira, M. & Guilliams, C.M. 2010. Taxonomy of Calyptridium parryi (Montiaceae). Madroño 57(3): 145–160. Full text PDF

Vernacular names
English: Pussypaws

Calyptridium is a genus of flowering plants belonging to the family Montiaceae.[1]

Its native range is Northern America, Southern South America.[1]

Species:[1]

Calyptridium hesseae (J.H.Thomas) Hershk., syn. Calyptridium parryi var. hesseae J.H.Thomas[2]
Calyptridium martirense (Guilliams, M.G.Simpson & Rebman) Hershk.
Calyptridium monandrum Nutt.
Calyptridium monospermum Greene
Calyptridium nevadense (J.T.Howell) Hershk.
Calyptridium parryi A.Gray, including Calyptridium arizonicum (J.T.Howell) M.G.Simpson, M.Silveira & Guilliams, syn. Calyptridium parryi var. arizonicum[2]
Calyptridium pulchellum (Eastw.) Hoover
Calyptridium pygmaeum Parish ex Rydb.
Calyptridium quadripetalum S.Watson
Calyptridium roseum S.Watson
Calyptridium umbellatum (Torr.) Greene

References

"Calyptridium Nutt. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 20 March 2021.
"Search for Calyptridium". Jepson eFlora. The Jepson Herbarium, University of California, Berkeley. Retrieved 2021-03-22.