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Lupinus rivularis

* Common Name:

streambank lupine, riverbank lupine

* Genus:


* Species:



* Family (scientific):


* Family (common):


Synonyms :

Lupinus lignipes

* Distribution in Canada:

British Columbia

Verified by NatureServe Canada on 2006-08-02.


Photographer: Brother Alfred Brousseau, F.S.C. (1908-1988), St. Mary's College.
Verified by NatureServe Canada on 2006-08-03.

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Pacific Maritime

Natural Habitat(s):

Wet Meadow/Prairie/Field (less than 25% cover)
Riparian (edge)

Habitat Garden(s):

Erosion Control?

Growing Conditions

* Plant Type:


Moisture Requirements: Moist, Wet

Light Requirements: Sun

Soil Requirements: Sand

Temperature Zone:



Average Height:

40 to 60 cm


Drought Tolerant

Flower Info
Fruit/Seed Info

Showy flowers?


Showy fruit/seeds?


Bloom time:

May to Sep

Edible for humans?

Flower Colour(s):

Purple, White/Cream

Fruit/Seed Colour(s):



Fragrant Flowers?

Urban Oasis, Stewards in the City, and Eco Superior are specific Evergreen programs that some plants are used in.

Fragrant Foliage?

Program & Other Uses:

Fall colours?

Distinctive bark?

Poisonous to humans?

Thorns or prickles?

Attracts wildlife?


Larval host for:

Provincial tree/flower?

Plant Watch species?

Interesting Tidbits

Listed as a Species Endangered in BC by SARA (Species at Risk Act). Listed as a Species Endangered by COSEWIC (Committee on the Status of Endangered Wildlife in Canada), November, 2002.

Found in the Fraser valley and on Vancouver Island.

POISONOUS PARTS: Seeds. TOXIC IF EATEN IN LARGE QUANTITIES. Symptoms include respiratory depression and slow heartbeat, sleepiness, convulsions. Toxic Principle: Alkaloids such as lupinine, anagyrine, sparteine, and hydroxylupanine. (Poisonous Plants of N.C.)

The ingestion of 3 grams of lupin seeds per month for 8 years was associated with the development of motor neuron disease (spasticity and amyotrophy) such as seen with Lathyrus. Eating the seeds in large quantities can be fatal to humans or animals. Lupine alkaloids are not lost or detoxified when the plant is dried. (Ferris, H.)

Rare in the lower Fraser Valley and on Vancouver Isand, this plant has suffered from the loss and alteration of its habitat.

Dyke building along the Fraser have left the banks too dry for it to prosper, even though it can grow in dry impoverished soil. Bacteria in its noduled roots help fix nitrogen in poor soil.

Herbicide spraying and mowing has also reduced its populations.

Invasive plants such as the Yellow Bush Lupine, is threatening it through hybridization.

Species at Risk - Canada

BC Flora

Poisonous Plants of N.C. State

E-Flora BC


Ferris, Heather
Clinical Nurse Educator,
Ontario Regional Poison Information Centre

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