- Dittrichia graveolens is an annual herb with a very rank smell that can grow up to 7.9-51.2 in. (0.2-1.3 m) tall.
- Leaves are alternate, linear, oblong, 0.79-3.9 in. (2-10 cm) long, and soft with entire margins, acute tips, and hairy edges.
- Flower heads are small, bell shaped, 0.18-0.39 in. (4.5-10 mm) long, and found in long loose panicles. Flowers are yellow and 0.16-0.28 in. (4-7 mm) long.
- Fruits are cylindrical, light brown, 0.08 in. (2 mm) long, and narrow at the top then expanded at the base. Seeds are 30 bristles, fluffy, 0.12-0.16 in. (3-4 mm) long attached at the base.
- Ecological Threat
- Dittrichia graveolens can be found in pastures, wastelands, and along roadsides. It is native to the Mediterranean. This plant can cause severe contact dermatitis to humans and can kill livestock.
- DiTomaso, J.M., G.B. Kyser et al. 2013. Weed Control in Natural Areas in the Western United States. Weed Research and Information Center, University of California. 544 pp.
- State of Queensland, Department of Primary Industries and Fisheries
- University of California, Jepson Flora Project
- Flora of North America, www.eFloras.org
- California Invasive Plant Council
- USDA NRCS PLANTS
- USDA ARS GRIN