- Urena lobata is an erect shrub that grows up to 10 ft. (3 m) in height. The plant is single stalked, with free-branching stems that comprise a bushy appearance. It grows as an annual species in many areas of Florida but may perennate in south Florida.
- The leaves are palmately lobed, pubescent with stellate hairs, and 1.6-3.1 in. (4-8 cm) long.
- Flowers are borne in axillary clusters, pinkish-violet, about 0.4 in. (1 cm) across.
- Fruit is pubescent with hooked bristles or barbs that cling to clothing or fur.
- Ecological Threat
- Urena lobata invades disturbed areas, pastures, eroded areas, and perennial crop plantations. Urena lobata tolerates salt spray but does not grow in saturated soils. Having an aggressive habit, this weed grows rapidly and can reach 2-7 ft. (0.6-2.1 m) by the end of the first year.
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 Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org
Invasive Listing Sources
- Archbold Biological Station
- East Central Florida CISMA
- Faith Campbell, 1998
- Florida Exotic Pest Plant Council - Category I
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Southwest Florida Cooperative Invasive Species Mgmt. Area
- Treasure Coast Cooperative Invasive Species Mgmt. Area - EARLY DRAFT
- University of Hawaii, Botany Department, Hawaiian Alien Plant Studies, 1998
- WeedUS - Database of Plants Invading Natural Areas in the United States
|Common Name Reference:|| Weed Science Society of America Common Names List|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|