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

Lathyrus lanszwertii Kellogg
pinewood peavine
Fabaceae (Pea family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15879)

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Distribution of Lathyrus lanszwertii
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SUBTAXA PRESENT IN BC
Lathyrus lanszwertii var. sandbergii

Species Information

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General:
Perennial herb from a slender rhizome; stems slender, erect, 10-30 cm tall, not winged, glabrous to sparsely short-hairy.
Leaves:
Alternate, pinnately compound; leaflets 2 or 4, usually paired but sometimes scattered, linear to broadly oblong, 2-15 cm long, 2-14 mm wide, distinctly veined; tendrils bristle-like, 1-3 mm long; stipules narrow, unequally 2-lobed, less than 1/3 the length of the leaflets.
Flowers:
Inflorescence of 2 to 3 pea-like flowers in a leaf axil; corollas pink to bluish, 10-13 mm long, the wings longer than the keel, about equal to the banner, the wing-blade slightly longer than the claw; calyces 6-8 mm long, the teeth narrowly lanceolate, the upper two about equal to or shorter than the lower three, the lowest one only slightly shorter than the tube.
Fruits:
Pods, glabrous, 3-4 cm long, 4-7 mm wide; seeds 7 to 12.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry open forests and clearings in the montane zone; rare in SE BC, known only from Elko; S to ID and E WA.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

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