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Leafy Pea
Lathyrus polyphyllus
  
About Leafy Pea (Lathyrus polyphyllus) 0 Nurseries Carry This Plant Lathyrus polyphyllus is a species of wild pea known by the common name leafy pea. It is native to the western United States from Washington to northern California, where it grows in forest and other habitat. This is a perennial herb with long leaves each made up of many pairs of oval-shaped leaflets a few centimeters long. The leaf also has tendrils which may be long, branched and coiled, or just a short bristle. The stipules are large as well, often over a centimeter wide. The plant produces an inflorescence of up to 12 pea flowers usually arranged in a line along one side of the stem. The flowers are up to 2 centimeters wide and are a variety of shades of purple. The fruit is a dehiscent legume pod containing peas.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
2.7 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Red, Pink, Purple

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


Landscaping Information
Sun
Sun
Full Sun, Part Shade

Soil Description
Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Natural Setting
Climate
Climate
Annual Precipitation: 23.4" - 128.0", Summer Precipitation: 0.22" - 4.29", Coldest Month: 37.5" - 51.4", Hottest Month: 55.9" - 72.7", Humidity: 0.31" - 19.59", Elevation: 29" - 6298"

Alternative Names
Common Names: Leafy Peavine


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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