(Linaria genistifolia spp Dalmatica)
Priority: - Contain
Tags: Agricultural | Terrestrial
Identification and Reproduction
- Yellow flowers resemble snapdragons, leaves are heart-shaped.
- Leaves are pale green, rubbery, alternate.
- Has milky sap.
- Plant may have dozens of flowering stems, very prolific seeder (up to 500,000 annually).
- Seeds spread by wind, animals, birds.
- Plant spreads by lateral roots as well.
Habitat & Ecology
- Invades forest plantations, pastures, hay fields, likes coarse soils.
- Survives as root crown through winters.
- Vertical roots may extend down 6 feet.
- Infests forage, grasslands, invades cultivated fields, and disturbed or open sites, competes with native plants.
- Toxicity means that grazing livestock avoid it.
- Somewhat cold hardy.
- Reduces biodiversity.
- Does have natural enemies, including weevils.
- It may help to keep grasslands covered to reduce chances for competition.
- Mowing and burning may only encourage grow, not be effective.
- Herbicides may be effective.