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Riverbank Lupine
Lupinus rivularis
About Riverbank Lupine (Lupinus rivularis) 0 Nurseries Carry This Plant Lupinus rivularis is a species of lupine known by the common name riverbank lupine. It is native to western North America from southern British Columbia to northern California, where it is known mainly from coastal habitat. This is a robust, erect perennial herb or subshrub growing up to about a meter tall. The mostly hairless stem is thick, hollow, and reddish in color. Each palmate leaf is made up of 5 to 9 wide leaflets 2 to 4 centimeters long. The flower cluster is a raceme of many flowers sometimes arranged in whorls. The flower is light purple in color, often with white parts or shading. The fruit is a somewhat hairy legume pod up to 7 centimeters long which turns dark as it ages.
Plant Description
Plant Type
Plant Type
Perennial Herb

1 - 5 ft tall

Flower Color
Flower Color
Blue, Lavender, Purple, Red

Wildlife Supported

Butterflies & moths hosted ( 52 likely * ) SHOW ALL

Landscaping Information
Full Sun

Soil Drainage
Soil Drainage

Common uses
Common uses
Bee Gardens

Sunset Zones
Sunset Zones?
4*, 5*, 15*, 16*, 17*, 24

Natural Setting
Site Type
Site Type
Sandy or gravel places

Annual Precipitation: 18.1" - 93.4", Summer Precipitation: 0.22" - 2.48", Coldest Month: 24.8" - 51.8", Hottest Month: 47.7" - 77.0", Humidity: 0.27" - 24.52", Elevation: 2" - 9966"

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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