Cirsium wrightii

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Wright’s thistle occurs from the mountains of south-central New Mexico eastward to the cienegas of the adjacent southwestern Great Plains. Cirsium wrightii is listed by the state of New Mexico as a species of concern. The one known site in Cochise County, Arizona, is apparently historic.

Facts about "Cirsium wrightii"
apex external texturescabrid-ciliolate +
apex prominence or shapeflat +
apex shapeacute + and acuminate +
array architecturepaniculiform +
blade shapeoblong +, elliptic +, unlobed +, spinulose +, dentate + and pinnatifid +
body shapeentire +
branch countmany +
branch orientationascending +
collar colorationstramineous +
collar size0.2 +
corolla colorationwhite + and pink-purple +
cypsela colorationbrown +
cypsela size4.5 +
face architecturewinged +, petiolate + and sessile +
face architecture or shapebractlike +
face arrangement or shapelinear +
face countpresent +
face external texturearachnoid + and glabrescent +
face orientationappressed +
face other or positionproximal +
face positionbasal +, cauline +, mid +, distal +, distalmost +, outer + and middle +
face shapelong-decurrent +, spinulose +, dentate + and lobed +
face sizereduced +
flowering timesummerfall +, aug +, sep + and oct +
habitatsprings +, seeps +, marshes +, stream banks + and in alkaline soil +
habitat inclinesloped +
habitat moisturewet +
head countmany +
involucre external texturearachnoid + and glabrate +
involucre shapeovoid + and hemispheric +
lobe arrangementseparated +
lobe shapetriangular +, obtuse +, acute +, toothed + and lobed +
peduncle sizeslender +
petiole life stageflowering +
petiole sizeslender +
phyllary arrangementimbricate +
phyllary colorationgreen +
phyllary shapelanceolate + and linear +
ridge prominenceprominent +
root countmany +
root internal texturefibrous +
root sizeslender +
sinus widthwide +
spine orientationspreading +
spine sizeslender + and 1 +
stem count1 +
stem external textureglabrous + and tomentose +
stem orientationerect +
taproot height or lengthshort +
whole organism life stylebiennial + and perennial +