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

Asclepias ovalifolia Decne.
oval-leaf milkweed
Apocynaceae (Dogbane family)
(Previously in Asclepiadaceae)

Introduction to Vascular Plants
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Distribution of Asclepias ovalifolia
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Included in IFBC Vol 1, but based on a single collection from Revelstoke in 1915 (J. Bain s.n. @ UBC), where it was introduced from east of BC. It has not been collected since. Historic.

Note Author: Frank Lomer, Honourary Research Associate, University of British Columbia Herbarium

Species Information

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Perennial herb from a rhizome; stems erect, 20-60 cm tall, glabrous to sparsely hairy; plants with milky juice.
Opposite, simple, egg-shaped or lanceolate, tapered at the base, 3-10 cm long.
Cylindric pods lacking tubercules, 6-12 cm long, many-seeded with tufts of white, cottony hairs.

Habitat / Range

Dry slopes in the montane zone; rare in SE BC, known only from the Revelstoke area; introduced from E. North America.

Source: The Illustrated Flora of British Columbia

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