Perennial Pepperweed
(Lepidium latifolium)

 

Photo from Weeds of the West, revised edition.

Rosetta	Stem	Leaf
Bloom	Plant	Plant

 

Growth Habit: Perennial, 1 to 3 feet in height

Leaves: Leaves are lanceolate, bright green to gray-green, entire toothed, basal leaves larger than upper leaves, inflorescence a raceme.

Stem: 1 to 3 feet in height

Flower: Flowers are white, in dense clusters near ends of branches, very small

Roots: Deep-seated rootstocks and creeping rhizomes, very difficult to control.

Seeds: 2 seeds per fruit, fruit is a silicle, rounded, flattened, slightly hairy, about 1/16 inch long, and reddish-brown.

Reproduction: By seed and creeping rhizomes.

Habitat: Grows in waste areas, wet areas, ditches, roadsides, and cropland.

Biological control:

Herbicides: 2,4 - D amine, Escort, Telar

Video Supplied By Montana Weed Control Association