Centaurea sulphurea

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Centaurea sulphurea is considered to be a noxious weed by the state of California.

Facts about "Centaurea sulphurea"
appendage colorationbrown + and purple +
appendage orientationspreading + and reflexed +
appendage shapeacute + and spine-tipped +
array architectureopen + and corymbiform +
array architecture or shapefew-headed +
base colorationbrown +, black + and stramineous +
blade shapeoblong + and oblanceolate +
body colorationgreenish + and stramineous +
body external textureglabrous +
body shapeovate + and elliptic +
branch external texturevillous +, hispid + and tomentose +
branch orientationascending +
bristle colorationbrown + and blackish +
bristle countmany +
bristle sizeunequal +
chromosome count24 +
corolla colorationyellow +
corolla prominenceinconspicuous +
corolla variabilityequal +
cypsela colorationbrown +
cypsela external textureglabrous +
floret countmany +
floret sizeslender +
flowering timespringsummer +, may +, jun + and jul +
habitatdisturbed sites +, grasslands +, woodlands +, pastures + and roadsides +
hair architectureseptate +
head architecturelong-pedunculate +
head architecture or shapedisciform +
head arrangementsingly + and in open , few-headed corymbiform arrays +
involucre shapeovoid +
involucre sizeconstricted +
leaf architecturewinged-petiolate +
leaf external texturevillous + and hispid +
leaf patternresin-gland-dotted +
leaf positionbasal +
lobe architecturesessile +
lobe positioncauline +
lobe shapeacute +, dentate +, long-decurrent +, linear-oblong +, oblanceolate +, entire + and serrate +
margin shapelobed +
spine fragilitystout +
stem architecturesimple + and branched +
tooth height or lengthshort +
tooth shapespine-tipped +
whole organism life styleannual +
wing widthnarrow +