Lupinus croceus

Lupinus croceus is a species of lupine known by the common names saffron-flowered lupine and Mt Eddy Lupine.[1] It is endemic to the northernmost mountains of California, clustering in the Klamath Mountains, where it grows in generally dry, rocky habitat.[2]

Lupinus croceus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lupinus
Species:
L. croceus
Binomial name
Lupinus croceus

Description

This is an erect perennial herb growing 40–60 centimetres (16–24 in) tall. The hairy palmate leaves are made up of 5 to 9 leaflets each up to 6 centimetres (2.4 in) long. The inflorescence is a raceme of many flowers, sometimes arranged in whorls. Each flower is just over a centimeter long and bright yellow to orange in color. The fruit is a hairy legume pod up to 3.5 centimetres (1.4 in) long.[3] The petioles are 1-3 inches long. The hairy seeds are just more than 1 inch long.[4] Its flowering period is in the months of June, July, and August.[2]

Habitat and Distribution

It’s habitat is dry woods in the counties of Siskiyou and Trinity. It is found between the elevations of 5000-8000 feet or 900-2700 meters.[1][3] It’s communities include, Yellow Pine Forest, Red Fir Forest, and Subalpine Forest.[2] It was most commonly found in June and July. 51% of the time it was found it was a preserved specimen, 29% of the time it was found it was an occurrence, and 20% of the time it was a human observation.[5]

References
  1. "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-09-03.
  2. "Lupinus croceus Calflora". www.calflora.org. Retrieved 2023-09-03.
  3. "Lupinus croceus". ucjeps.berkeley.edu. Retrieved 2023-09-03.
  4. "Lupinus croceus | Mount Eddy Lupine | Wildflowers of the Pacific Northwest". www.pnwflowers.com. Retrieved 2023-09-03.
  5. "Lupinus croceus Eastw". www.gbif.org. Retrieved 2023-09-04.


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