Difference between revisions of "Cirsium ochrocentrum var. ochrocentrum"
Common names: Yellowspine thistle
Treatment appears in FNA Volume 19. Treatment on page 123.
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Revision as of 15:15, 18 September 2019
Stems densely leafy, nodes crowded. Leaves: distal cauline bases often long-decurrent. Corollas white or pale lavender to purple. 2n = 32, 34.
Phenology: Flowering spring–summer (May–Sep).
Habitat: Short-grass prairies, desert grasslands, sagebrush steppes, pinyon-juniper, mesquite woodlands, often in disturbed areas
Elevation: 400–2200 m
Distribution
Ariz., Calif., Colo., Kans., Nebr., N.Mex., Okla., S.Dak., Tex., Utah, Wyo.
Discussion
Variety ochrocentrum grows in the Great Plains from South Dakota to New Mexico and Texas. It has been introduced in California; perhaps the Utah and Arizona records are introductions as well.
Selected References
None.
Lower Taxa
None.
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