Threatened, Endangered, and Proposed (TEP) Plant Profile

Lupinus sulphureus ssp. kincaidii in flower.
Lupinus sulphureus ssp. kincaidii. Photo by Tom Kaye, Institute for Applied Ecology.

Lupinus sulphureus ssp. kincaidii habitat.
Lupinus sulphureus ssp. kincaidii habitat. Photo by Tom Kaye, Institute for Applied Ecology.

Lupinus oreganus var. kincaidii range map.
Lupinus oreganus var. kincaidii range map.

Lupinus sulphureus ssp. kincaidii, Kincaid’s lupine

Over the last 140 years, humans have extensively altered native prairie in the Willamette Valley, resulting in a loss of more than 99 percent of the habitat for Kincaid’s lupine.

ESA Status

Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents.

  • Listed as: Lupinus sulphureus ssp. kincaidii
  • PLANTS Database Name: Lupinus oreganus var. kincaidii
  • Listed Threatened 2000 (PDF, 0.2 MB)

Threats

  • Further loss of habitat due to agriculture practices (iincluding herbicide use), development activities, forestry practices, grazing, roadside maintenance, and commercial Christmas tree farming
  • Insect herbivory
  • Change in community structure due to plant succession in the absence of disturbance, such as fire
  • Invasion by alien plant species such as Himalayan blackberry, Scotch broom, and aggressive pasture grasses
  • Inadequate existing regulatory mechanisms
  • Potential extirpation as a result of random events

Conservation Status

National Forest and Grassland Occurrence

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