Black Mustard

(Brassica nigra)

Characteristics

Seedling	Leaves	Flowers	Fruit

Growing habit: Erect, branching winter annual herb

Root anatomy: Fibrous roots from taproot

Leaf anatomy: Alternately arranged, ovate to oovate, lower leaves loped while upper leaves dentate

Reproduction: elongated terminal raceme inflorescence, yellow 4-petal flowers

^{References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice}