Argentine Pepperweed

Description

It is an annual or perennial plant, herbaceous, uni or pluricaule, glabrescent. Axonomorphic root, - crass. The stems reach a size of 20-70 cm in height, erect, branched at the top, covered with fine hairs. Leaves basal, petiolate, pinnatisectas with pinniphyseal segments, lanceolate; The caulinares, progressively less divided; Pinna, or pinnatifiidae. The inflorescences in dense clusters in the fructify. White petals; Sometimes nonexistent. Fruits suborbicular, aquillados, very narrowly winged - with wing of less than 1 mm - in the superior part, of obtuse apex and shallow notch. Seeds 1.5 x 0.9 mm, narrowly winged, weakly papillose, with a yellowish brown. It has a number of chromosomes 2n = 64. 1