Page authors: David Giblin, Don Knoke
Cuscuta denticulata
desert dodder

Distribution: Central Washington; south to Baja California, east to Colorado.

Habitat: Parasitic on shrubs in arid shrub-steppe communities.

Flowers: July-August

Origin: Native

Growth Duration: Annual

Conservation Status: Threatened in Washington (WANHP)


Parasitic, twining, perennial herbs, with very slender, pinkish-yellow to white glabrous stems, often forming large mats.


Leaves reduced to tiny scales.


Flowers usually sessile in small clusters; calyx not fleshy, deeply divided, the 5 lobes oval to orbicular, overlapping, 2 mm. long, the margins irregularly denticulate; corolla bell-shaped, slightly exceeding the calyx, the 5 lobes ovate-lanceolate, overlapping at the base, spreading to ascending, about equaling the tube; stamens 5, inserted just below the sinuses of the tube, slightly exerted, the filaments about equaling the anthers; oval scales covering the base of the filaments nearly entire, united to mid-length; styles 2, 0.5 mm. long; ovary superior, 2-celled.


: Capsule narrowly ovoid, crested around the base of the style.

Accepted Name:
Cuscuta denticulata Engelm.
Publication: Amer. Naturalist 9(6): 348. 1875.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Cuscuta denticulata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cuscuta denticulata checklist entry.

E-Flora BC: Cuscuta denticulata atlas page.

CalPhotos: Cuscuta denticulata photos.

USDA Plants: Cuscuta denticulata information.

6 photographs:
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