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

Peritoma serrulata (Pursh) DC
Rocky Mountain bee plant (spider-flower; stinking-clover)

Introduction to Vascular Plants

© RĂ©al Sarrazin  Email the photographer   (Photo ID #26676)

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Distribution of Peritoma serrulata
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Species Information

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Annual herb from a fibrous root; stems erect, branched, 0.1-1.5 m tall, glabrous to sparsely soft-hairy.
Basal leaves lacking; stem leaves with 3 leaflets, these linear-elliptic to narrowly lanceolate or oblanceolate, 1-7 cm long, stalked.
Inflorescence of bracted racemes which elongate with maturity; corollas reddish-purple to pale pink or rarely white; petals 4, narrowly egg-shaped, 8-11 mm long; calyx lobes 4, abruptly pointed, not much longer than the tube; stamens 6, twice as long as the petals, with pink filaments.
Podlike capsules, spreading to drooping, 3-6 cm long; seeds roughened with blisters.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic sandy slopes and waste places in the steppe and lower montane zones; infrequent in SC and SE BC; E to MN and S to IL, NM and CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Cleome serrulata Pursh

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References