Cirsium joannae

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Cirsium joannae is endemic to Zion National Park in southwestern Utah. It apears to be most closely related to C. rydbergii, which occurs in similar habitats in southeastern Utah and northeastern Arizona.

Facts about "Cirsium joannae"
apex arrangement or shapelinear +
apex colorationgreen +
apex orientationspreading + and curved-ascending +
apex relieferose +
apex shapeflattened +
apex sizeexpanded +
apex widththick +
base orientationshort-appressed +
base positiondistal +
base shapedecurrent +
base sizereduced +
blade shapeoblong +
branch orientationascending +
caudex architecturetaprooted +
cluster architecturesubcaptitate + and spiciform +
cluster height or lengthshort +
corolla colorationlavender-pink +
cypsela colorationbrown +
face architecturewinged-petiolate + and sessile +
face arrangementdistributed +
face countpresent + and many +
face external textureglabrous +
face otherprincipal +
face positionadaxial +, basal + and cauline +
face reliefscabridulous +
face shapedivided +
face sizereduced +
flowering timesummeraug + and sep +
habitathanging gardens with lobelia , abies , and adiantum +
head architecturesessile +, short-pedunculate +, open + and paniculiform +
head arrangementcrowded +
head orientationerect + and nodding +
lobe arrangementspaced +
lobe arrangement or shapelinear +
margin arrangementoverlapping +
margin shapeundulate +, dentate +, pinnatifid +, triangular +, spiny-dentate + and larger +
pappus size20 +
peduncle colorationgreen +
peduncle external textureglabrous +
peduncle shapeovoid + and campanulate +
phyllary lengthlonger than inner +
phyllary positionouter +
phyllary sizeunequal +
spine external texturescabridulous-ciliolate +
spine fragilitystout +
spine positioninner +
spine shapeouter +, spiny + and entire +
stem architecturebranched +
stem count1 + and several +
stem external textureglabrous +
stem internal texturefleshy +
stem orientationerect +
tip positionexserted +
tooth arrangementspaced +
whole organism life styleperennial +
wing architecture or shapespiny +