Elongated mustard
Brassica elongata
Keys to Identification
- The basal leaves have a distinctive white midvein
- Flowers are yellow and four-petaled with six stamens
Family
Brassicaceae – Mustard family
USDA Code
BREL2
Legal Status
Colorado Noxious Weed List A
Identification
Lifecycle
Biennial, short-lived perennial or winter annual
Growth Form
Forb
Flower
Flowers are yellow, ¼ inch wide, 4 petals with 6 stamens
Flowers June-July
Seeds/Fruit
Seedpod to 1½ inch long with stalk and long, narrow beak
Leaves
Basal leaves 2-5 inches long, lance-shaped, slightly lobed or toothed. Stem leaves to 3¾ inches long, oblong to lance-shaped
Stems
Stem erect, branched. Plants are up to 3 feet tall
Roots
Taproot to 2 feet deep
Habitat and Distribution
General requirements
Found in disturbed sites, rocky slopes, rights-of-way, scrubland and deserts
Distribution
Has been found in Colorado in limited areas
Historical
Native to Europe, Asia and North Africa
Biology/Ecology
Mode of reproduction
Seed
Dispersal
Wind, animals and human