Flora of North America species comparison

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Orobanche corymbosa subsp. corymbosa
Photo is of parent taxon

flat-top broomrape
Habit Plants simple, sometimes branched.
Inflorescences

simple corymbs or short corymbose racemes.
Corollas

rose, pink, or purple with darker veins, glandular-pubescent;

anthers tomentose.
Calyces

(13–)15–24 mm, equal to or shorter than corolla.

Orobanche corymbosa subsp. corymbosa
Phenology Flowering Jun–Sep.
Habitat Sandy soils and rocky slopes in open sagebrush communities and subalpine meadows.
Elevation 100–3200 m. (300–10500 ft.)
Distribution
from FNA
AZ; CA; ID; MT; NM; NV; OR; UT; WA; WY
[BONAP county map]
Discussion

Subspecies corymbosa is most often mistaken for Orobanche californica with which it was formerly associated taxonomically. The two species are very similar morphologically; Orobanche corymbosa, with only two subspecies, has much less morphological variability. Except for a small area of sympatry in eastern California, the two species are otherwise allopatric.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 477.
Parent taxa Orobanchaceae > Orobanche > Orobanche corymbosa
Sibling taxa
O. corymbosa subsp. mutabilis
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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