Other conspecific taxa:

• Tecoma stans var. stans (0 accessions)
• Tecoma stans var. velutina (0 accessions)

Common names:

• trumpetbush  (Source: Websters Dict) - English
• trumpet-flower  (Source: Websters Dict) - English
• yellow trumpetbush  (Source: Herbs Commerce ed2) - English
• yellow-bells  (Source: Hortus 3) - English
• yellow-elder  (Source: Hortus 3) - English
• geelklokkies  (Source: Weeds SAfr 2001) - Afrikaans
• bignonia-amarela  (Source: pers. comm.) - Portuguese (Brazil)
• guarã-guarã  (Source: pers. comm.) - Portuguese (Brazil)
• ipê-amarelo-de-jardim  (Source: pers. comm.) - Portuguese (Brazil)
• ipezinho-de-jardim  (Source: pers. comm.) - Portuguese (Brazil)
• sinos-amarelos  (Source: pers. comm.) - Portuguese (Brazil)

Economic Importance:

• Environmental: ornamental (fide Dict Gard; Krussmann; Invasive Pl Spec)
• Medicines: folklore (fide Herbs Commerce ed2)
• Weed: (fide Invasive Pl Spec; Weeds SAfr 2001)

Distributional Range:

Native

Northern America

• SOUTH-CENTRAL U.S.A.: United States [New Mexico (s.), Texas]
• SOUTHWESTERN U.S.A.: United States [Arizona (s.)]
• Mexico

Southern America

• CARIBBEAN: Antigua and Barbuda, [Antigua] Bahamas, Cayman Islands, Cuba, Dominica, Dominican Republic, Grenada, Guadeloupe, Haiti, Jamaica, Martinique, Netherlands Antilles, [Curacao, Saba] Puerto Rico, St. Lucia, Trinidad and Tobago, [Trinidad] Virgin Islands (British), [Tortola] Virgin Islands (U.S.)
• CENTRAL AMERICA: Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
• NORTHERN SOUTH AMERICA: Venezuela
• WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
• SOUTHERN SOUTH AMERICA: Argentina (n.w.)


Cultivated (also cult.)

Naturalized

Africa

• EAST TROPICAL AFRICA: Kenya, Tanzania
• SOUTHERN AFRICA: South Africa, Swaziland
• WESTERN INDIAN OCEAN: Mayotte, Reunion

Australasia

• AUSTRALIA: Australia [Queensland]

Pacific

• NORTH-CENTRAL PACIFIC: United States [Hawaii]
• NORTHWESTERN PACIFIC: Guam, Marshall Islands, Micronesia, Palau
• SOUTH-CENTRAL PACIFIC: Cook Islands, French Polynesia
• SOUTHWESTERN PACIFIC: New Caledonia, Samoa, Tonga

References:

1. Webster's third new international dictionary. 1961 (Websters Dict)
2. Adams, C. Flowering plants of Jamaica. 1972 (F Jam)
3. Correll, D. S. & H. B. Correll Flora of the Bahama archipelago. (F Bahamas)
4. Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
5. Gentry, A. H. 1992. Bignoniaceae - Part II (Tribe Tecomeae) Fl. Neotrop. Monogr. 25(2):285.
6. Germishuizen, G. & N. L. Meyer, eds. Plants of southern Africa: an annotated checklist. Strelitzia 14. 2003 (Pl SAfr ed2)
7. Groth, D. 2005. pers. comm. (pers. comm.)
8. Henderson, L. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12. 2001 (Weeds SAfr 2001)
9. Hnatiuk, R. J. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11. (L Aust)
10. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening. 1992 (Dict Gard) 4:439.
11. Institute of Pacific Islands Forestry Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). (Pacif I Ecosyst Risk)
12. Kearney, T. H. & R. H. Peebles Arizona flora, ed. 2. (F Ariz)
13. Liberty Hyde Bailey Hortorium Hortus third. 1976 (Hortus 3)
14. Martin, W. C. & C. R. Hutchins A flora of New Mexico. (F New Mex)
15. McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker Herbs of commerce, ed. 2. 2000 (Herbs Commerce ed2)
16. Turrill, W. B. et al., eds. Flora of tropical East Africa. 1952- (F TE Afr)
17. Wagner, W. L. et al. Manual of the flowering plants of Hawai'i. 1990 (F Hawaii)
18. Weber, E. Invasive plant species of the world: a reference guide to environmental weeds. 2003 (Invasive Pl Spec)
19. Woodson, R. E. & R. W. Schery, eds. Flora of Panama. 1943-1980 (F Panama)

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://germoplasma.iniaf.gob.bo/gringlobal/taxonomydetail.aspx?id=80111. Accessed 7 junio 2026.