Difference between revisions of "Cirsium scariosum"

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Latest revision as of 22:56, 18 February 2014


Cirsium scariosum is a widely distributed complex of intergrading races distributed from southwestern Canada to northwestern Mexico. These plants range from acaulescent rosettes with a tight cluster of sessile heads to tall, erect, unbranched plants, or moundlike, more or less openly branched herbs. Acaulescent and caulescent plants sometimes occur in the same population.

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Facts about "Cirsium scariosum"
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apex positioninner +
apex shapenarrowed +, scabro-denticulate +, with expanded , erose-dentate tips +, spineless + and tipped +
array architecturespiciform +, racemiform + and subcapitate +
blade arrangement or shapelinear + and to elliptic +
blade shapeplane +, undulate +, unlobed + and pinnatifid +
branch arrangementcrowded +
chromosome count34 + and 36 +
collar colorationcolored +
corolla colorationwhite +, lavender + and purple +
cypsela colorationlight + and brown +
face architecturewinged-petiolate + and distal +
face architecture or shapebractlike +
face countpresent + and many +
face developmentdeveloped +
face durationpersistent +
face external textureglabrous +, tomentose +, villous +, glabrate +, trichomes +, arachnoid tomentose + and glabrescent +
face orientationappressed +
face othersimilar + and proximal +
face positionadaxial +, basal +, cauline +, distal +, outer + and mid +
face sizereduced +
face widthnarrower +
form architecturecaulescent +
head arrangementsingly + and crowded +
head orientationerect +
involucre external texturearachnoid + and glabrate +
involucre shapeovoid + and hemispheric +
lobe arrangementspaced +
lobe orientationspreading +
lobe shapelinear-lanceolate +, triangular +, spinose-dentate + and lobed +
margin shapeentire + and scarious-fringed +
mound positionlow +
mound shaperounded +
pappus colorationwhite + and tan +
peduncle architectureleafy-bracted +
phyllary arrangementimbricate +
phyllary shapeovate +, lanceolate +, linear + and linear-lanceolate +
spine fragilityto stout +
spine orientationerect + and spreading +
spine shapeflattened +
spine sizeslender +
stem architecturesimple +
stem countabsent +
stem external textureglabrous +, gray-tomentose + and villous +
stem internal texturefleshy +
stem orientationerect +
stem widththickened +
throat sizelarger +
tip shapeerose-dentate +
tip sizeexpanded +
trichome architectureseptate +
whole organism architectureacaulescent +, caulescent +, taprooted + and short-caulescent +
whole organism height or lengthshort +
whole organism life stylebiennial +, perennial + and plant +
whole organism orientationerect +