Annuals; glabrous. Stems erect, branched distally, 1–5.5(–7) dm. Basal leaves absent. Cauline leaves petiolate or (distal) sessile; blade linear-oblanceolate, 2–5(–6.5) cm, margins entire or subentire. Racemes not elongated in fruit. Fruiting pedicels divaricate to ascending, 4–10(–12) mm. Flowers: sepals oblong, 3–5.5 mm; petals white or pink to purple, abaxial pair 10–16 × 5–7 mm, adaxial pair 6–10 × 2–5 mm. Fruits ovate, (7–)8–10.5 × 5–8 mm, apically notched; valves extending into subacuminate wing; style 2–4.5 mm, included or exserted beyond apical notch. Seeds narrowly winged, 2–3 mm.

Phenology: Flowering Jun–Sep.
Habitat: Garden escape, stream banks, abandoned gardens and lawns, urban areas, docks

Distribution

• Generated Map
• Legacy Map

Introduced; N.S., Ont., P.E.I., Que., Calif., Mich., N.Y., Utah, se Europe.

Discussion

Selected References

None.

Lower Taxa

None.