Cistanthe umbellata

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Mount Hood pussypaws
Cistanthe umbellata 22872.JPG
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Portulacaceae
Genus: Cistanthe
Species: C. umbellata
Binomial name
Cistanthe umbellata
(Torr.) Hershk.[1][2]
  • Calyptridium umbellatum (Torr.) Greene
  • Spraguea umbellatum Torr. (basionym)
List sources : [1][2][3][4]

Cistanthe umbellata (formerly Calyptridium umbellatum) is a species of flowering plant in the purslane family known by the common name Mount Hood pussypaws. It is native to western North America from British Columbia to California to Colorado, where it grows in a number of habitat types, including in areas inhospitable to many plant types, such as those with alpine climates. It is a perennial herb forming generally two or more basal rosettes of thick, spoon-shaped leaves each a few centimeters long. The inflorescence arises from the rosette, a dense, spherical umbel of rounded sepals and four small petals.


  1. ^ a b The name Cistanthe umbellata was published in Phytologia, 68(4): 268. 1990. New York. The basionym, Spraguea umbellata Torr., was first described and published in Smithsonian Contributions to Knowledge, 6(2): 4 (-5; t. 1). 1853. Washington, DC. "Plant Name Details for Cistanthe umbellata". IPNI. Retrieved August 18, 2010. nomenclatural synonym: Portulacaceae Spraguea umbellata Torr. 
  2. ^ a b GRIN (May 9, 2007). "Cistanthe umbellata information from NPGS/GRIN". Taxonomy for Plants. National Germplasm Resources Laboratory, Beltsville, Maryland: USDA, ARS, National Genetic Resources Program. Retrieved August 18, 2010. Synonyms: Calyptridium umbellatum (Torr.) Greene; Spraguea umbellatum Torr. (basionym) 
  3. ^  Calyptridium umbellatum was published in Bulletin of the Torrey Botanical Club, 13: 144. 1886. New York. "Plant Name Details for Calyptridium umbellatum". IPNI. Retrieved August 18, 2010. 
  4. ^ "Plant Name Details for Spraguea umbellata". IPNI. Retrieved August 18, 2010. Distribution: Forks of Nozah River in the foothills of Sierra Nevada of N California, California. Collector: J.C.Fremont s.n. 

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