Aphyllon franciscanum
clustered broomrape

Distribution: Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to Baja California, east to the Rocky Mountains and Texas.

Habitat: Open areas from low to middle elevations. Parasitic on Eriogonum, Eriophyllum lanatum, and Phacelia, also other taxa outside of Washington, but never Artemisia.

Flowers: April-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees


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Accepted Name:
Aphyllon franciscanum (Achey)A.C.Schneid.
Publication: Systematic Botany 46(2): pp. 446–455. 2021.

Synonyms & Misapplications:
Orobanche fasciculata Nutt. var. franciscana Achey [JPM]
Additional Resources:

PNW Herbaria: Specimen records of Aphyllon franciscanum in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Aphyllon franciscanum checklist entry

OregonFlora: Aphyllon franciscanum information

E-Flora BC: Aphyllon franciscanum atlas page

CalPhotos: Aphyllon franciscanum photos

69 photographs:
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