Family: Solanaceae (Potato Family)
Duration and Habit: Perennial Shrub
Woody, evergreen shrub to 3 metres high with erect sparsely branched stems. Long tubular yellow flowers. Fruit is a capsule, produces many seeds that are dispersed by wind and water.
Native Lookalikes: Currently no information available, or there are no native species that could be confused with Tree tobacco.
Ecological Threat: Drought resistant, tolerant of a wide range of environmental conditions. Outcompetes native vegetation often forming monospecific stands and is toxic to livestock.
Biology & Spread: Tree tobacco is a prolific seed producer with seed set close to 100%. Plants are self compatible and are fertilized by moths and hummingbirds.
History: Introduced as an ornamental as early as 1864 in Hawaii.
U.S. Habitat: Abundant in waste places, old walls, dry river beds, roadsides and along river banks.
U.S. Nativity: Introduced to U.S.
Native Origin: S. Bolivia, n. Argentina
U.S. Present: AL, AZ, CA, FL, GA, HI, MD, NJ, NM, NV, OH, TX
Distribution: Naturalized in Europe, tropical & s. Africa, temperate Asia, Australia, New Zealand, United States (including Hawaii), Mexico, & Macaronesia (GRIN).
List All Observations of Nicotiana glauca reported by Citizen Scientists
Wilken D., Hannah L. 1998; Nicotiana glauca R. Graham (Solanaceae) Tree Tobacco. Santa Barbara Botanic Garden Publication.
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