Difference between revisions of "Carex petricosa var. petricosa"
Illustrated
Synonyms: Carex franklinii Boott Carex lepageana Raymond Carex magnursina Raymond
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Latest revision as of 20:43, 5 November 2020
Culms to 90 cm. Stigmas mostly 3. Achenes mostly trigonous in 1/2 pistillate flowers and fruits.
Phenology: Fruiting summer.
Habitat: Meadows, screes, disturbed slopes, flood plains, stream banks
Elevation: 100–2800 m
Distribution
Alta., B.C., N.W.T., Yukon, Alaska, Mont., c, n, 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.
Selected References
None.
Lower Taxa
None.