Pyrostegia venusta
|
Taxon |
Family |
|
Pyrostegia venusta Baill. |
Bignoniaceae |
 |
 |
| Native habitat in Brazil Credit: http://www.dierbergertropicais.com.br |
P. venusta becoming established in Florida |
Common names: Flame vine, flame flower, golden shower, orange creeper, orange trumpet creeper, orange trumpet vine
Synonyms: Bignonia venusta Ker-Gawler, Pyrostegia ignea (Vell.) K. Presl
Life form: Liana
Biology/Ecology:
Dispersal: Spreads vegetatively by cuttings and suckers. Seeds are dispersed by wind. Distributed by humans for ornamental purposes.
Reproduction: Produces flowers over the course of several months each year, and are pollinated by hummingbirds. Flowers can be self-pollinated or cross-pollinated. Cymes have 1-8 flowers, bright orange corollas between 5 and 7.5 cm long. Lobes are 1 to 1.5 cm long and at length recurved, and anthers protrude. Capsules are 25 to 30 cm long.
Herbivores: Scales, caterpillars and mites
Resistant stages: No information available.
Habitat:
Native habitat: Tropical rainforest
Habitat occupied in invaded range: No information available.
Habitat requirements:
| Altitude | Near sea level. |
| Light | Prefers full sun, but tolerates partial shade. |
| Temperature | No information available. |
| Annual rainfall | High drought tolerance. |
| Soil | Tolerates wide range of soil conditions, but poor tolerance to saline soils. |
Distribution:
Native to Brazil and Argentina
Introduced range: Invasive in Peru and Australia. Introduced but not considered invasive in Tanzania, southeastern USA, Fiji, Tonga and Solomon Islands.
Impacts:
Ecosystem: Becomes dominant at ground level and can invade undisturbed forest. Grows rapidly using its tendrils, smothering trees. Can regrow from its roots if cut down.
Health, social and economic: Produces horizontal stems which hinder human access.
Management:
Mechanical: No information available.
Chemical: No information available.
Biological: No information available.
References:
Pacific Island Ecosystems at Risk (PIER), 2005. Available from http://www.hear.org/Pier/species/pyrostegia_venusta.htm (Accessed August 2006).
Christman, S., 2004. Pyrostegia venusta. Floridata. Available from http://www.floridata.com/ref/p/pyro_ven.cfm (Accessed August 2006).
Daehler, D., 2005. Pyrostegia venusta Risk Assessment Results. PIER. Available from http://www.hear.org/Pier/wra/pacific/pyrostegia_venusta_htmlwra.htm (Accessed August 2006).
Binggeli, P., 2000. The East Usambaras (Tanzania) - The pearl of Africa. Aliens 10, pp.14-15, ISSG. Available from http://members.lycos.co.uk/woodyplantecology/invasive/aliens.htm (Accessed August 2006).
Last updated October 2006
