Cirsium praeteriens

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Cirsium praeteriens is known only from Santa Clara County, where J. W. Congdon collected it in Palo Alto in 1897 and 1901. It is presumed extinct.

Facts about "Cirsium praeteriens"
apex architecture or shapespineless +
apex orientationspreading +
apex positioninner +
apex reliefscabrid +
apex shapeflattened +
array architecturespiciform +
base architectureclasping +
base shapedecurrent +
blade positionhalfway + and to midveins +
blade shapeelliptic +, oblanceolate + and divided +
body orientationappressed +
collar colorationbrown +
collar size0.75 +
corolla colorationwhite +
cypsela colorationbrown +
cypsela size6 +
face architecturesessile +
face arrangementdistributed +
face external texturetomentose +, villous + and adaxial +
face positionbasal + and cauline +
face sizereduced +
flowering timesummerjun + and jul +
habitathabitat unknown +
head positionterminal +
involucre external texturearachnoid +
involucre shapehemispheric + and campanulate +
lobe orientationspreading +
lobe shapelinear-lanceolate +, entire +, trifid + and acuminate +
margin architecture or shapespinulose +
margin reliefscabrid +
phyllary orientationspreading +
phyllary positionouter +
phyllary shapelanceolate + and linear +
phyllary sizesubequal +
ridge countabsent +
spine arrangementimbricate +
spine fragilitystout +
spine positioninner +
stem architecturebranching +
stem external texturearachnoid + and villous +
stem fragilitystout +
stem orientationerect +
tip size6 +
trichome architecturejointed +, non-septate + and septate +
trichome widthfine +
tube size16 +
vein sizetaxonname-major +
whole organism life stylebiennial + and perennial +
whole organism size100 +