CITY AND COUNTY OF BROOMFIELD PARK OPERATIONS
NOXIOUS WEED IDENTIFICATION
DALMATIAN TOADFLAX: Linaria genistifolia ssp. dalmatica, (L.)
Characteristics:
Family: Scrophulariaceae (Figwort)
Origin: Europe
Description:
- Perennial
- Extensive creeping root network
- Reproduces by seeds and root stock
Stems:
- Single to multiple branching, erect stems
- Grows up to 4 feet tall
Flowers:
- Two lipped, yellow flowers with orange centers
- 3/4 inch-1 1/2 inches diameter terminating in a spur
- Resembles the flowers of snapdragons
- Bloom occurs June-August. If conditions are favorable, may bloom several times in a season
- Prolific amounts of black seeds are produced in a 2-celled capsule
Leaves:
- Leaves are heart shaped and clasp the stem
- Waxy in texture
Location:
Dalmatian Toadflax is becoming a widespread problem in rangeland areas in the west. It is acclimated to arid conditions. Waxy leaves inhibit herbicide penetration and hand-pulling only stimulates increased growth. Dalmatian Toadflax was introduced as an ornamental, like many other weeds escaped into natural areas where it out-competes native species.