Dame's Rocket
Hesperis matronalis L.
Brassicaceae (Mustard Family)
▲ ▼ mature, flowering plant
▲ ▼ inflorescences
▲ leaves on mature plant
▲ ▼ seedling and first year rosette
Dame’s Rocket:
·
European native, biennial or short-lived perennial; grows 1.5 to 4 feet tall
·
First year
forms a rosette of lanceolate-triangular, bright green leaves up to 6 inches
long with small, sharp teeth on margins; second year sending up a flowering stem
with smaller leaves along its length
·
Flowers are showy, pinkish-purple
to bluish-purple in elongated, branched terminal racemes
·
Fruit pods are short, ¼ to ¾ inch
long, rounded, and constricted between the seeds; pods are held
upright to perpendicular
to main flowering stem
·
Sometimes planted as an ornamental, but can escape in to open woods, roadsides,
non-crop areas—so far, not a serious problem