Biology:Calyptridium umbellatum

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Short description: Species of flowering plant

Mount Hood pussypaws
Cistanthe umbellata 22872.JPG
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Montiaceae
Genus: Calyptridium
Species:
C. umbellatum
Binomial name
Calyptridium umbellatum
(Torr.) Hershk.[1][2]
Synonyms[1][2][3][4]
  • Cistanthe umbellata (Torr.) Hershk.
  • Spraguea umbellatum Torr. (basionym)

Calyptridium umbellatum, synonym Cistanthe umbellata, is a species of flowering plant in the montia family known by the common name Mount Hood pussypaws or — especially outside the Pacific Northwest — simply pussy-paws.[5]

Range

Calyptridium umbellatum is native to western North America from British Columbia to California to Colorado, where it grows in a number of habitat types, including areas inhospitable to many other plant types, such as those with alpine climates.

A small subgroup of C. umbellatum are located in the Zayante Sandhills, a biological island in the Santa Cruz Mountains.[6] These individuals reside on a singular hill in the entirety of the sandhills, and their frail petals and loose seeds allow for easy wind dispersal.

Habit

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.

C. umbellatum usually has only one inflorescence per basal rosette; the related C. monospermum generally has more than one.[7]

References

  1. ↑ 1.0 1.1 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. http://www.ipni.org:80/ipni/idPlantNameSearch.do?id=1051815-2. Retrieved August 18, 2010. "nomenclatural synonym: Portulacaceae Spraguea umbellata Torr." 
  2. ↑ 2.0 2.1 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. https://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?447860. 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. http://www.ipni.org:80/ipni/idPlantNameSearch.do?id=43482-2. Retrieved August 18, 2010. 
  4. ↑ "Plant Name Details for Spraguea umbellata". IPNI. http://www.ipni.org:80/ipni/idPlantNameSearch.do?id=243072-2. 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." 
  5. ↑ "Calyptridium umbellatum". CalFlora. https://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1344. Retrieved 16 January 2020. 
  6. ↑ "The Rare Santa Cruz Sandhills and the People who Love Them". 13 April 2012. https://baynature.org/article/the-rare-santa-cruz-sandhills-and-the-people-who-love-them/. Retrieved 16 January 2020. 
  7. ↑ "Key to Calyptridium". Jepson Herbarium. http://ucjeps.berkeley.edu/eflora/eflora_keys.php?key=68199. Retrieved 16 January 2020. 

External links

Wikidata ☰ Q2974357 entry




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