Crepis tectorum

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Crepis tectorum is recognized by its annual habit, keeled phyllaries with minute hairs on adaxial faces, and dark reddish or purplish brown cypselae. It is widespread, often abundant, occurs in a great variety of habitats, and is considered a noxious weed in some states.

Facts about "Crepis tectorum"
apex architecture or shapewhite-ciliate +
apex external texturetomentulose +
apex shapeacute +, acuminate +, attenuate + and beaked +
apex sizeconstricted +
array architecturepaniculiform + and corymbiform +
base arrangement or shapelinear +
base positiondistal +
base shapeauriculate +, entire + and keeled +
base widththickened +
blade shapelanceolate +, oblanceolate + and runcinate +
bractlet count12 +
bractlet external texturetomentose + and hispidulous +
bractlet shapesubulate +
calyculus external texturescarious +
chromosome count8 +
corolla colorationyellow +
cypsela colorationreddish + and brown +
cypsela shapefusiform +
face architecturesessile +
face external textureglabrous +, tomentose + and hispidulous +
face other or positionproximal cauline +
face positionadaxial +
flowering timemayjun +, jul +, aug + and sep +
habitatdry sandy , pine woods +, disturbed places +, abandoned fields +, forest clearings +, wooded slopes + and dry streambeds +
habitat inclinesloped +
habitat moisturedry +
hair orientationappressed +
hair widthfine +
involucre shapecylindro-campanulate +
leaf architecturepetiolate +
leaf positionbasal + and cauline +
lobe arrangementremote +
lobe external texturecoarse +
lobe sizeunequal +
margin external texturescarious +
margin shapeentire +, denticulate +, dentate + and lobed +
pappus colorationwhite +
pappus external texturesoft +
pappus widthfine +
phyllary shapelanceolate +
rib count10 +
rib reliefspiculate +
rib shaperounded +
stem architecturebranched + and from bases +
stem count1 +
stem external texturetomentulose +
stem orientationerect +
stem shapefistulose +
taproot depthshallow +
whole organism life styleannual +