Hawaiian Ecosystems at Risk project (HEAR)

Psidium guajava
(Myrtaceae)
common guava, guava

image of Psidium guajava image of Psidium guajava image of Psidium guajava
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HEAR home  >  species info  >  plants  >  Psidium guajava (Myrtaceae)
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Species description or overview Taxonomy & nomenclature Impacts Control methods Prevention
Pests of this species Images Herbarium specimens Distribution Cited as invasive (on a list)
Books Full-text articles Other resources    

Species description or overview

Psidium guajava as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Psidium guajava as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Psidium guajava information from PIER
Information on Psidium guajava as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).

Taxonomy & nomenclature

GRIN nomenclature info for Psidium guajava
Nomenclatural information about Psidium guajava is provided by USDA/ARS/NGRP/GRIN.

ITIS nomenclature info for Psidium guajava
Nomenclatural information about Psidium guajava is provided by ITIS.

IPNI nomenclature info for Psidium guajava  new posting 
Nomenclatural information about Psidium guajava is provided by The International Plant Names Index (IPNI).

Impacts

Psidium guajava as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Psidium guajava as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Psidium guajava (Myrtaceae): species information from GCW
Information on Psidium guajava as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).

Control methods

Psidium guajava as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Psidium guajava as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Prevention

FNGA Urges Growers to Phase Out Invasive Plants
The Nature Conservancy

Pests of this species

An analysis of the risk of introduction of additional strains of the rust Puccinia psidii Winter (ohia rust) to Hawaii View info about Adobe Acrobat PDF format  new posting 
In April 2005, the rust fungus Puccinia psidii (most widely known as guava rust or eucalyptus rust) was found in Hawaii. It is important to ecosystem conservation and commercial forestry that additional rust strains or genotypes be prevented from establishing in Hawaii.

Images

Images of Psidium guajava (Myrtaceae) (guava)
Links to high-resolution free images of Psidium guajava (Myrtaceae) (guava) by Forest & Kim Starr (USGS) are available here.

Smithsonian Flora of the Hawaiian Islands info for Psidium guajava
The Smithsonian Flora of the Hawaiian Islands website presents information about Psidium guajava in Hawaii.

Psidium guajava images from PIER
Images of Psidium guajava provided by the Pacific Island Ecosystems at Risk project (PIER).

Herbarium specimens

Images of voucher specimens for Psidium guajava from the herbarium of Kalaupapa National Historical Park (Molokai, Hawaii, USA)
Images of voucher specimens of Psidium guajava from the herbarium of Kalaupapa National Historical Park (Molokai, Hawaii, USA) are available online.

Distribution

Smithsonian Flora of the Hawaiian Islands info for Psidium guajava
The Smithsonian Flora of the Hawaiian Islands website presents information about Psidium guajava in Hawaii.

Psidium guajava as a weed in Hawaii View info about Adobe Acrobat PDF format
Information about Psidium guajava as a weed in Hawaii is presented by the College of Tropical Agriculture and Human Resources (University of Hawai).

Cited as invasive (on a list)

2007 FLEPPC invasive plant list View info about Adobe Acrobat PDF format
Florida Exotic Pest Plant Council's 2007 List of Invasive Plant Species focus includes adverse effects exotic pest plants have on Florida's biodiversity and plant communities.

Books

Weed handbook of Western Polynesia
Whistler, W. Arthur. 1983. Weed handbook of Western Polynesia. Eschborn: Deutsche Gesellschaft f#r Technische Zusammenarbeit (GTZ) GmbH. ISBN: 3-88085-227-8. ISSN: (unknown or N/A).

A field guide to tropical and subtropical plants
Perry, Frances and Roy Hay. 1982. A field guide to tropical and subtropical plants. Ward Lock Limited, Great Britain. 136 pp. illus. ISBN: 0-442-26859-9. ISSN: (unknown or N/A).

Full-text articles

Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide
Motooka, Philip, Luisa Castro, Duane Nelson, Guy Nagai, and Lincoln Ching. 2003. Weeds of Hawaii's Pastures and Natural Areas: An Identification and Management Guide. College of Tropical Agriculture and Human Resources (University of Hawaii--Manoa), Honolulu. 184 pp. color illus. ISBN: 1-929325-14-2. ISSN: (unknown or N/A).

Other resources

Psidium guajava as an invasive species (information from TNC)
Information about Phragmites australis as an invasive species is provided by The Nature Conservancy.

Distribution and Spread of Alien Plants in Kipahulu Valley, Haleakala National Park, above 2,300 ft Elevation View info about Adobe Acrobat PDF format
PT's bookmarks

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