Pinnate Tansymustard

(Descurainia pinnata)

Pinnate tansymustard

Characteristics
Seedling Leaves Flowers Fruit
Pinnate tansymustard seedling Pinnate tansymustard leaf Pinnate tansymustard flower Pinnate tansymustard fruit

Growing habit: Erect spring or winter annual herb

Root anatomy: Fibrous roots from taproot

Leaf anatomy: Alternately arranged, lower leaves 2-3x divided with narrow-ovate segments, upper leaves smaller and less divided

Reproduction: elongated terminal racemes, yellow 4 petal flowers

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