Cirsium ochrocentrum A. Gray. Common name: Yellow-spine Thistle. Phenology: Jul-Aug (-Sep). Habitat: Dry, gravelly or sandy soils of prairies, pastures, open disturbed areas. Distribution: SD, WY, NV, and OR south to ec. TX, w. TX, NM, AZ, and n. Mexico (BCN, CHH, COA, DGO, SON, ZAC).
Origin/Endemic status: Native
Taxonomy Comments: With the elevation of the non-typic variety of Cirsium ochrocentrum to species rank (Nesom 2021i), our taxon returns to specific rank.
Synonymy ⓘ: = Nesom (2021i); = Cirsium ochrocentrum A.Gray var. ochrocentrum — FNA19, K4, NSProv, POWO; < Cirsium ochrocentrum A.Gray — GrPl, Mex, NcTx, Ok. Basionym: Cirsium ochrocentrum A.Gray 1849
Links to other floras: = Cirsium ochrocentrum var. ochrocentrum - FNA19
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Heliophily ⓘ: 9
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Horticultural Information
No horticultural data found for this taxon.