''Lupinus lepidus'', the Pacific lupine, prairie lupine or dwarf lupine is a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herbaceous plant Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition ...

in the pea family ( Fabaceae)

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to western North America. Many varieties have been described, several of which are considered separate species by some authorities.

Habitat and range

In western North America, ''Lupinus lepidus'' may be found in open areas from low prairie, open

montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucia ...

, to the alpine. Although rare in

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include ...

, its range extends south from

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...

to southern

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

and eastward to the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

. In California, it is mainly a species of meadows and areas that are moist during the spring growing season in the

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...

mountain range, from .Sierra Nevada Wildflowers, Karen Wiese, 2nd Ed., 2013, p. 35

Description

''Lupinus lepidus'' is a small hairy perennial that reaches . Palmately compound leaves extend up the stem, but most are

basal Basal or basilar is a term meaning ''base'', ''bottom'', or ''minimum''. Science * Basal (anatomy), an anatomical term of location for features associated with the base of an organism or structure * Basal (medicine), a minimal level that is nec ...

. The inflorescence is a dense spike-like raceme, with pink, purple, or blue flowers that often have a yellowish spot. The plant blooms from mid-April through August, depending on elevation and habitat. The fruit is a pod containing multiple seeds.

References

External links

* * {{Taxonbar, from=Q12841436

lepidus Marcus Aemilius Lepidus (; c. 89 BC – late 13 or early 12 BC) was a Roman general and statesman who formed the Second Triumvirate alongside Octavian and Mark Antony during the final years of the Roman Republic. Lepidus had previously bee ...

Flora of the Sierra Nevada (United States) Plants described in 1828 Flora of Alaska Flora of British Columbia Flora of the Western United States Flora without expected TNC conservation status