Antennaria luzuloides

Antennaria luzuloides is a North American species of flowering plants in the daisy family known by the common name rush pussytoes.[2] The species is native to western Canada (Alberta, British Columbia) and the western United States (Oregon, Washington, northern California, Idaho, Montana, Nevada, Utah, Colorado, Wyoming, and a few isolated populations in South Dakota).[3][4]

Antennaria luzuloides
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Antennaria
Species:
A. luzuloides
Binomial name
Antennaria luzuloides
Synonyms[1]
  • Antennaria oblanceolata Rydb.
  • Antennaria argentea subsp. aberrans E.E.Nelson, syn of subsp. aberrans
  • Antennaria microcephala A.Gray, syn of subsp. aberrans
  • Antennaria pyramidata Greene, syn of subsp. aberrans

Antennaria luzuloides is a perennial herb growing greenish white or gray erect stems from a small woody caudex. It reaches a maximum height of about 25 centimeters. There is a basal patch of grayish woolly leaves each a few centimeters long and linear in shape to somewhat spoon-shaped. The inflorescence holds up to 30 rounded flower heads each less than a centimeter wide. The head is lined with narrow, pointed phyllaries. The species is dioecious, with male and female plants producing different flower types. The fruit is an achene up to about 6 millimeters in length including a long, soft pappus.[2]

Subspecies[1][2]
  • Antennaria luzuloides subsp. luzuloides – most of species range
  • Antennaria luzuloides subsp. aberrans (E.E.Nelson) R.J.Bayer & Stebbins – California, Nevada, Oregon

References
  1. The Plant List search for Antennaria luzuloides
  2. Flora of North America Vol. 19, 20 and 21 Page 397 Rush or silvery brown pussytoes, Antennaria luzuloides Torrey & A. Gray, Fl. N. Amer. 2: 430. 1843
  3. Biota of North America Program 2014 county distribution map
  4. Calflora taxon report, University of California, Antennaria luzuloides Torrey & A. Gray rush pussytoes, silvery brown pussytoes


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