Calyptridium roseum

Calyptridium roseum, synonym Cistanthe rosea, is a species of flowering plant in the family Montiaceae commonly known as rosy pussypaws.^[1] It is native to the western United States from California to Wyoming, where it grows in forest and scrub.^[2] It is an annual herb, often reddish or pink in color, producing stems just a few centimeters long.^[1] The leaves are located in a rosette at the base and along the stems, and are up to 4 or 5 centimeters long. The inflorescence is a tiny cluster of white-edged thin sepals and two white petals, each no more than a millimeter long.^[2]

Calyptridium roseum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Montiaceae
Genus:	Calyptridium
Species:	C. roseum
Binomial name
Calyptridium roseum S.Watson
Synonyms
Cistanthe rosea (S.Watson) Hershk.