- Thymelaea passerina is an erect herbaceous annual plant that grows from 2.5-24 in. (6-61 cm) tall. The slender wiry stem can be woody and will often branch towards the top. T. passerina is native to Africa, tropical and temperate Asia and Europe.
- T. passerina has alternate leaves that are narrow and linear with an acute apex. The leaves have a leathery texture and are from 0.3-1.0 in. (8-25 mm) long.
- The greenish-yellow flowers have no petals and are tubular and from 0.08-0.12 in. (2-3 mm) long. Each flower has four sepals and 8 stamens held in two whorls of four. Two small bracts arise from a tuft of white hairs at the base of each flower.
- The fruit is a shiny black ovoid achene. The seeds are rounded and brown to black in color.
- Ecological Threat
- T. passerina grows aggressively; is unpalatable to livestock; and can be found in rangeland areas, disturbed sites and dry pastures.
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Invasive Listing Sources
|Common Name Reference:|| USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|