Nootka Lupine

lupinus nootkatensis

The Nootka Lupine, scientific name Lupinus nootkatensis, is a vibrant perennial wildflower native to the coastal regions of the Pacific Northwest. Renowned for its striking spires of blue-purple flowers, it is a prominent feature of meadows, coastal bluffs, and disturbed areas. Beyond its aesthetic appeal, this member of the pea family plays a crucial ecological role as a nitrogen fixer, enriching the soil and supporting other plant life in often nutrient-poor environments. Its resilience and ability to colonize barren landscapes make it an important pioneer species in ecological succession.

Habitat: Nootka Lupine is typically found in coastal meadows, bluffs, open woodlands, clearings, roadsides, and other disturbed sites, thriving in well-drained soils.

Appearance

Nootka Lupine presents as an upright herbaceous perennial, typically growing between 30 to 100 centimeters tall. Its most distinctive features are the dense, towering spires of pea-like flowers, which are usually a brilliant blue or purplish-blue, sometimes with hints of white or pink. The leaves are palmate, arranged in a rosette at the base and alternately along the stem, each composed of 7 to 11 narrow, oval leaflets radiating from a central point. Stems and leaves are often covered in fine, silky hairs, giving the plant a somewhat soft, silvery appearance.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderFabalesFamilyFabaceaeGenusLupinus

Nootka Lupine

Interesting facts

Indigenous peoples of the Pacific Northwest traditionally used Nootka Lupine for various purposes, including some medicinal uses and fiber, though careful preparation was required due to its toxicity.

The genus name 'Lupinus' comes from the Latin word 'lupus,' meaning 'wolf,' as ancient Romans believed lupines 'wolfed' nutrients from the soil, though we now know they enrich it.

While beautiful, many parts of the Nootka Lupine, especially the seeds, contain toxic alkaloids that can be harmful if ingested by livestock or humans.

Special abilities

Through a symbiotic relationship with Rhizobium bacteria in its root nodules, Nootka Lupine converts atmospheric nitrogen into a usable form, enriching the soil for itself and surrounding plants.

This species can readily establish itself in nutrient-poor or recently disturbed soils, acting as a crucial pioneer plant that improves soil quality and facilitates the growth of other flora.

Nootka Lupine produces bitter and toxic alkaloids throughout its tissues, deterring most herbivores from consuming its leaves, stems, and seeds, thereby protecting itself from predation.

Measurements & details

Length: 30-100 cm
Lifespan: 2-7 years

Diet & Feeding

As a photosynthetic organism, Nootka Lupine produces its own food (sugars) from sunlight, water, and carbon dioxide. It also absorbs essential minerals and fixed nitrogen from the soil.

Primary Foods

Sunlight
Water
Carbon Dioxide
Nitrogen (fixed by bacteria)
Phosphorus
Potassium

Foraging Method

Photosynthesis And Nutrient Absorption

Ecological connections

mutualism

Bumblebee

Bombus spp.

Pollinates flowers, collecting nectar and pollen

mutualism

Rhizobium bacteria

Rhizobium leguminosarum

Forms symbiotic relationship in root nodules to fix nitrogen

eaten by

Black-tailed Deer

Odocoileus hemionus columbianus

Browses on leaves and shoots, especially in early growth stages

mutualism

Hummingbird

Selasphorus rufus

Feeds on nectar and pollen, aiding in pollination

Traits

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Also known as

No aliases listed yet.

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Nootka Lupine?

The easiest way to identify Nootka Lupine is to use the Snappit nature identifier app.

How long is Nootka Lupine?

30-100 cm

How long does Nootka Lupine live?

2-7 years

What does Nootka Lupine eat?

As a photosynthetic organism, Nootka Lupine produces its own food (sugars) from sunlight, water, and carbon dioxide. It also absorbs essential minerals and fixed nitrogen from the soil.

Where is Nootka Lupine usually found?

Nootka Lupine is typically found in coastal meadows, bluffs, open woodlands, clearings, roadsides, and other disturbed sites, thriving in well-drained soils.

How does Nootka Lupine hunt?

Photosynthesis And Nutrient Absorption