Antennaria media

Antennaria media
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Antennaria
Species: A. media
Binomial name
Antennaria media
Greene
Synonyms[1]
  • Antennaria austromontana E.E.Nelson
  • Antennaria candida Greene
  • Antennaria densa Greene
  • Antennaria gormanii H.St.John
  • Antennaria modesta Greene
  • Antennaria mucronata E.E.Nelson

Antennaria media is a North American species of flowering plants in the daisy family known by the common name Rocky Mountain pussytoes.[2] It is native to western Canada and the Western United States from Alaska and Yukon Territory to California to New Mexico. It grows in cold Arctic and alpine regions, either at high latitudes in the Arctic or at high elevations in the mountains (Rocky Mountains, Cascades, Sierra Nevada).[3][4]

Antennaria media is a perennial herb forming a matted patch of stolons and woolly basal leaves with inflorescences no more than about 13 centimeters tall. The inflorescences contain several flower heads. The species is dioecious, with male and female flowers on different plants. The fruit is an achene up to about 6 millimeters long, most of which is the long, soft pappus.[2][5]

Subspecies

There are several subspecies; one subspecies is diploid and reproduces sexually and the others are polyploid and display apomixis.[6]

References

  1. ↑ The Plant List Antennaria media Greene
  2. 1 2 Flora of North America Vol. 19, 20 and 21 Page 411 Rocky Mountain pussytoes, Antennaria media Greene
  3. ↑ Biota of North America Program 2014 state-level distribution map
  4. ↑ Calflora taxon report, University of California, Antennaria media E. Greene, Rocky Mountain pussytoes, alpine pussytoes
  5. ↑ Greene, Edward Lee 1898. Pittonia 3(18B): 286–287 in English
  6. ↑ Chmielewski, J. G. (1997). A taxonomic revision of the Antennaria media (Asteraceae: Inuleae) polyploid species complex in western North America. Brittonia 49:3 309-27.

External links


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