CPC Plant Profile: Alpine Feverfew
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Plant Profile

Alpine Feverfew (Parthenium alpinum)

Photo Credit: Jim Locklear
Description
  • Global Rank: G3 - Vulnerable
  • Legal Status: N/A
  • Family: Asteraceae
  • State: CO, NM, WY
  • Nature Serve ID: 135116
  • Date Inducted in National Collection: 02/25/1988

The Wyoming feverfew was lost for over 100 years. First collected in 1834 by famed botanical explorer Thomas Nuttall somewhere along the route that would later become the Oregon Trail, it was not seen again until 1947, when it was rediscovered in central Wyoming. Inhabiting rocky, windswept places on the plains, Wyoming feverfew is an inconspicuous, cushion-forming plant that is easily overlooked even by seasoned botanists.

Participating Institutions
Updates
  • 09/23/2020
  • Seed Collection

Successfully propagated from seed, with no special pretreatment needed (Nebraska Statewide Arboretum).

  • 09/23/2020
  • Propagation Research

Successfully propagated from seed, with no special pretreatment needed (Nebraska Statewide Arboretum).

Nature Serve Biotics
  • 05/02/2017

A regional endemic with 54 known occurrences.

Jim Locklear
  • 01/01/2010

Construction associated with oil and gas development. Off-road vehicle damage.

Jim Locklear
  • 01/01/2010

Colorado: 2 known occurrences (O'Kane 1988). Wyoming: ca. 25 known occurrences (Hartman and Nelson 1995).

Jim Locklear
  • 01/01/2010

Successfully propagated from seed, with no special pretreatment needed (Nebraska Statewide Arboretum).

Jim Locklear
  • 01/01/2010

Not Available

Jim Locklear
  • 01/01/2010

Clarify the actual distribution of P. alpinum by determining whether plants found in the isolated, highly disjunct occurrences listed above under ""Distribution"" are P. alpinum or P. tetraneuris.

Jim Locklear
  • 01/01/2010

Not Available

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Photos
Nomenclature
Taxon Parthenium alpinum
Authority (Nutt.) Torr. & Gray
Family Asteraceae
CPC Number 3115
ITIS 38161
USDA PAAL6
Common Names Alpine fever-few | Wyoming feverfew | Arkansas River feverfew
Associated Scientific Names Bolophyta alpina | Parthenium tetraneuris | Bolophyta tetraneuris | Parthenium alpinum var. tetraneuris | Parthenium alpinum | Parthenium alpinum var. alpinum
Distribution Centered in southeastern and central Wyoming (Goshen, Platte, Natrona and Carbon counties), with slightly disjunct occurrences in northeastern Colorado (Weld County). Isolated, highly disjunct occurre
State Rank
State State Rank
Colorado S3
New Mexico SNR
Wyoming S3
Habitat

Rocky ridges and hills, flat areas with rocky pavement, gravelly loam and sandy slopes on the plains. Often in association with limestone. Occurs in cushion plant communities within more densely vegetated mixed grass prairie, with Rocky Mountain juniper (Juniperus scopulorum) and ponderosa pine (Pinus ponderosa) sometimes in association.

Ecological Relationships

Part of a taxonomically-unique, closely related trio of species within the section Bolophytum of the genus Parthenium that includes P. tetraneuris of the Middle Arkansas Valley of central Colorado and P. ligulatum of northwestern Colorado and adjacent Utah (Rollins 1946; Mears 1970). The disjunct occurrences of P. alpinum parallel a similar series of disjunctions in Astragalus sericoleucus, a species of cushion plant communities that often co-occurs with P. alpinum within its core range in Wyoming (Locklear 1989).

Pollinators
Common Name Name in Text Association Type Source InteractionID

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