Psidium guineense
|
Taxon |
Family |
|
Psidium guineense Swartz (R) |
Myrtaceae |
 |
 |
| The plant in native habitat, South America Credit: http://www.magma.ca/~neufeldm/section3/uplands.htm |
The plant producing fruit in invaded habitat, USA |
Common names: Guinea guava, Brazilian guava, Castilian guava.
Synonyms: Psidium molle Bertol, Psidium schiedeanum Berg., Psidium araca Raddi
Life form: Small tree
Biology/Ecology:
Dispersal: Seeds are dispersed by birds.
Reproduction: Flowers are white and borne singly or in clusters of 3 on the leaf axils. Fruit is yellow and fairly round, 1-2.5 cm in diameter. Each fruit contains many small hard seeds.
Herbivores: Fruit flies, particularly A. striata.
Resistant stages: No information available.
Habitat:
Native habitat: No information available.
Habitat occupied in invaded range: Wide range, from subtropical to arid areas.
Habitat requirements:
Subtropical to arid climates.
| Altitude | Most commonly between 800 and 1500 metres above sea level, but the plant has been found from 100 to 2000 metres. |
| Light | No information available. |
| Temperature | No information available. |
| Annual rainfall | Tolerant to some drought. |
| Soil | Intolerant to light or sandy soil. |
Distribution:
Native to Central and South America
Introduced range: Invasive in French Polynesia, South Africa, Tanzania, India, Australia and Indonesia. Introduced but not considered invasive in Hawaii.
Impacts:
Ecosystem: No information available.
Health, social and economic: No information available.
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/psidium_guineense.htm (Accessed August 2006).
Daehler, C., 2005. Psidium guineense Risk Assessment Results. PIER. Available from http://www.hear.org/pier/wra/pacific/psidium_guineense_htmlwra.htm (Accessed August 2006).
Last updated October 2006
