E-Flora BC: Electronic Atlas of the Flora of British Columbia

Lathyrus sylvestris L.
narrow-leaved everlasting peavine (flat pea)
Fabaceae (Pea family)

Introduction to Vascular Plants

Distribution of Lathyrus sylvestris
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Perennial herb from a rhizome; stems climbing, 60-200 cm long, broadly winged, glabrous.

Leaves:
Alternate, pinnately compound with 2 leaflets; leaflets lanceolate to lance-elliptic, 5-12 cm long; tendrils well developed, branched; stipules 2-lobed, linear-lanceolate, 1-3 cm long.

Flowers:
Inflorescence a long-stalked, axillary cluster of 4 to 9 pea-like flowers; corollas muddy- to rose-pink, about 15 mm long, the banner-claw shorter than the blade; calyces 7-9 mm long, the teeth lance-triangular, shorter than the tube.

Fruits:
Pods, 4-6 cm long, 4-6 mm wide, glabrous; seeds 10 to 20.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry thickets, clearings, roadsides and waste places in the lowland zone; locally frequent garden escape in extreme SW BC and in SC BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

UBC Herbarium Scanned Collection Record
Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-12-08 7:51:11 PM ]

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