Cirsium andersonii

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Cirsium andersonii grows in the Cascade Range of northern California south through the Sierra Nevada of eastern California and western Nevada. It has been reported from the mountains of southwestern Idaho, but I have not seen specimens from there.

Facts about "Cirsium andersonii"
apex architecturetwisted +
apex coursestraight +
apex orientationlong-spreading + and ascending +
apex prominence or shapeflat +
apex shapeentire +, spinulose-ciliate + and rarely with expanded , fringed appendages +
appendage shapefringed +
appendage sizeexpanded +
array architecturecorymbiform +, racemiform + and spiciform +
base architectureclasping + and spinier than proximal +
base positiondistal +
base shapelinear-oblong + and lobed +
base sizereduced +
blade arrangement or shapeelliptic +
body height or lengthshort +
body orientationappressed +
body positionouter +
body shapeentire + and spinulose-ciliate +
branch orientationascending +
caudex architecturetaprooted +
caudex orientationerect +
chromosome count32 + and 64 +
collar widthnarrow +
corolla colorationred + and purple +
cypsela colorationbrown +
face colorationgreen + and gray +
face countpresent +
face external texturetomentose +, glabrous + and pilose +
face positionadaxial +, basal + and cauline +
face sizereduced +
flowering timesummerjul +, aug + and sep +
habitatmoist to dry soils , openings in montane woodlands , montaine coniferous forests , aspen groves +
head arrangementsingly + and in corymbiform , racemiform , or spiciform arrays +
involucre architecture or shapeshort-ciliate +
involucre external texturearachnoid + and glabrous +
involucre shapecylindric + and campanulate +
lobe countfew +
lobe orientationspreading +
lobe shapetriangular +, dentate +, with a few broad lobes +, obtuse + and acute +
lobe widthbroad +
phyllary arrangementimbricate +
phyllary colorationouter +, inner + and red +
phyllary shapelinear-lanceolate + and linear +
rosette architecturetaprooted +
rosette orientationerect +
spine coursestraight +
spine fragilityweak +
stem count1 +
stem external texturesubglabrous +, puberulent + and tomentose +
stem orientationerect +
whole organism life styleperennial + and biennial +