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

Orobanche corymbosa (Rydb.) Ferris
flat-topped broomrape (flat-top broomrape)
Orobanchaceae (Broom-rape family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15772)

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Distribution of Orobanche corymbosa
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Species Information

General:
Parasitic herb from a coarse, tuber-like, fleshy root; stems branched, clustered, thickened at the base, short glandular-hairy, pale purple, 3-16 cm tall.
Leaves:
Basal leaves lacking; stem leaves scaly-bracteate, alternate, short glandular-hairy.
Flowers:
Inflorescence of few flowers in round-topped clusters; corollas purple, 2-3 cm long, the lips 4-9 mm long, stalked, the stalks 0.5-3 cm long, with leaves; calyces 12-18 mm long, the lobes longer than the tubes, erect to spreading; anthers woolly-hairy.
Fruits:
Capsules; seeds numerous, angled, net-veined, less than 0.7 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Parasitic, mainly on Artemisia in dry shrublands in the steppe and montane zones; rare in SC BC; S to MT, WY, UT and NE CA.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-18 9:24:00 AM ]
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© E-Flora BC: An initiative of the Spatial Data Lab, Department of Geography UBC, and the UBC Herbarium.