Flora of North America species comparison

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Carex petricosa var. petricosa
Photo is of parent taxon

rock-dwelling sedge
Culms

to 90 cm.
Achenes

mostly trigonous in 1/2 pistillate flowers and fruits.
Stigmas

mostly 3.

Carex petricosa var. petricosa
Phenology Fruiting summer.
Habitat Meadows, screes, disturbed slopes, flood plains, stream banks
Elevation 100–2800 m (300–9200 ft)
Distribution
from FNA
AK; MT; AB; BC; NT; YT; c Asia; n Asia; ne Asia
Discussion

As defined here, Carex petricosa var. petricosa includes the Asian species C. macrogyna Turczaninow ex Steudel. T. V. Egorova (1999) stated that C. macrogyna has a staminate terminal spike, while C. petricosa var. petricosa has an androgynous terminal spike. In North America, C. petricosa var. petricosa has the terminal spike staminate or androgynous.

A report of the Asian species Carex stenocarpa Turczaninow ex V. I. Kreczetowicz from western Alaska is referable to this taxon.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 23, p. 478.
Parent taxa Cyperaceae > Carex > sect. Aulocystis > Carex petricosa
Sibling taxa
C. petricosa var. misandroides
Synonyms C. franklinii, C. lepageana, C. magnursina
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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