COTULA

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Some species of Cotula are widely naturalized. F. Hrusa et al. (2002) reported Cotula mexicana (de Candolle) Cabrera as established on golf courses in California; it is similar to C. australis and differs in leaf blades mostly 1-pinnate, receptacles pilose, and disc florets functionally staminate.

Facts about "COTULA"
apex colorationcolorless +, light +, brown + and purplish +
apex external texturescarious +
base architecture or shapesaccate +
blade shapeobovate +, spatulate +, lanceolate +, linear + and lobed +
chromosome count10 +
corolla colorationwhite +, ochroleucous + and yellow +
cypsela shapeobovoid +, oblong + and obcompressed-or-flattened +
face external textureglabrous +, strigillose +, villous + and lanate +
face reliefpapillate +
floret architecturepistillate + and staminate +
floret count0 +
floret positionperipheral +
floret reproductionfertile + and bisexual +
hair fixationbasifixed +
head architecturediscoid + and radiate +
head architecture or shapedisciform +
head arrangementsingly +
involucre shapehemispheric + and saucer-shaped +
leaf architecturepetiolate + and sessile +
leaf arrangementalternate + and opposite +
leaf positioncauline + and basal +
lobe count4 +
lobe shapedeltate +
lobe sizelarger than others +
margin colorationcolorless +, light +, brown + and purplish +
margin external texturescarious +
margin shapeentire + and toothed +
pappus count0 +
pericarp widththin +
phyllary durationpersistent +
receptacle architectureepaleate +
receptacle shapeflat +, convex + and conic +
rib count2 +
rib positionlateral +
sac count2 +
stalk durationpersistent +
stem architecturerooting + and branched +
stem count1 +
stem external textureglabrous +, strigillose + and villous +
stem habitprostrate + and decumbent +
stem orientationerect +, prostrate to decumbent + and ascending +
throat sizeampliate +
tube shapecylindric +
whole organism life styleannual + and perennial +
whole organism odoraromatic +