Antennaria umbrinella

Antennaria umbrinella is a North American species of flowering plants in the family Asteraceae known by the common names umber pussytoes and brown pussytoes.[2] It is native to southwestern Canada (Saskatchewan, Alberta, British Columbia) and the western United States as far south as Colorado, Coconino County in Arizona, and Tulare County in California).[3][4] It grows in a variety of habitats at a variety of elevations, from lowland sagebrush steppe to subalpine meadows.[2]

Antennaria umbrinella
Antennaria umbrinella on Badger Mountain, Douglas County Washington

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Antennaria
Species:
A. umbrinella
Binomial name
Antennaria umbrinella
Synonyms[1]
  • Antennaria aizoides Greene
  • Antennaria flavescens Rydb.
  • Antennaria pulvinata var. albescens E.Nelson
  • Antennaria reflexa E.E.Nelson

Antennaria umbrinella is a perennial herb growing erect stems to a maximum height around 16 centimeters from a woody base with spreading stolons. The base is covered in woolly leaves each one to two centimeters long and lance-shaped to spoon-shaped. Each inflorescence holds several flower heads with fuzzy phyllaries which are whitish to brown in color. The plant is dioecious, with males and females producing different flower types in the heads. The fruit is an achene with a hard body 2 millimeters long and a long pappus of hairs up to 5 millimeters long.[2][5]

References
  1. The Plant List Antennaria umbrinella Rydb.
  2. Flora of North America Vol. 19, 20 and 21 Page 408 Umber or brown or brown-bracted pussytoes, Antennaria umbrinella Rydberg
  3. Biota of North America Program 2014 county distribution map
  4. Calflora taxon report, University of California, Antennaria umbrinella Rydb. brown pussytoes, umbrinella pussytoes
  5. Rydberg, Per Axel 1897. Bulletin of the Torrey Botanical Club 24(6): 302–303


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