Plant Threats to Pacific Ecosystems

PIER species listed by scientific name beginning with the letter I

A product of the Pacific Island Ecosystems at Risk project (PIER)

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This table lists all species profiled on PIER with the genus beginning with the letter I.  An alphabetical index to all PIER species is also available. Also, the complete alphabetical of all PIER species is available, but it is a large list and may take a while to load on systems with slower internet connections.  It includes those of environmental concern (including those that are probably of threat only to islands with high elevations) as well as agricultural and ruderal weeds.  Each species is linked by its scientific name to an individual write-up containing relevant information.

Species are listed in alphabetic order.  You can browse this list or use the "find" function on your web browser to search by scientific name.

Can't find it here?  Check the list of synonyms for other names (the more common synonyms are included below) or search other lists and databases available on the Internet.

Stumped by botanical terms?  Here are links to a brief glossary and a search engine for botanical terms.


Scientific name (+Family) Often-used other Latin names Habit Present on
Pacific Islands?
Primarily a threat
at high elevations?
Ilex aquifolium   (Aquifoliaceae)   tree Yes Yes
Ilex cassine   (Aquifoliaceae)   shrub/tree Yes No
Ilex paraguariensis   (Aquifoliaceae)   tree Yes No
Ilex vomitoria   (Aquifoliaceae)   shrub/tree Yes No
Impatiens balsamina   (Balsaminaceae)   herb Yes No
Impatiens hawkeri   (Balsaminaceae) Impatiens herzogii K. Schum.; Impatiens linearifolia Warb.; Impatiens schlechteri Warb. herb Yes No
Impatiens walleriana   (Balsaminaceae)   herb Yes No
Imperata conferta   (Poaceae)   grass Yes No
Imperata cylindrica   (Poaceae) Imperata arundinacea Cyr. grass Yes No
Indigofera hendecaphylla   (Fabaceae) Indigofera endecaphylla Jacq. ex Poir., orth. var.; Indigofera neglecta N. E. Br.; Indigofera spicata auct., pro parte majore herb Yes No
Indigofera hirsuta   (Fabaceae)   shrub Yes No
Indigofera linifolia   (Fabaceae)   herb Yes No
Indigofera spicata   (Fabaceae)   herb Yes No
Indigofera suffruticosa   (Fabaceae)   shrub Yes No
Inga edulis   (Fabaceae)   tree Yes No
Inga feuilleei   (Fabaceae) Inga edulis sensu auct.; Inga feuillei DC. [spelling variant] tree Yes No
Inga laurina   (Fabaceae) Inga fagifolia (L.) Willd. ex Benth.; Mimosa fagifolia L.; Mimosa laurina Sw. tree Yes No
Inga spectabilis   (Fabaceae) Inga schimpfii Harms; Inga spectabilis var. schimpfii (Harms) Little; Mimosa spectabilis Vahl tree Yes No
Ipomoea alba   (Convolvulaceae)   vine Yes No
Ipomoea aquatica   (Convolvulaceae) Ipomoea reptans sensu J. W. Parham in Dept. Agr. Fiji Bull. 35. aquatic herb Yes No
Ipomoea batatas   (Convolvulaceae)   vine Yes No
Ipomoea cairica   (Convolvulaceae) Ipomoea tuberculata Roemer & Schultes vine Yes No
Ipomoea carnea subsp. fistulosa   (Convolvulaceae) Ipomoea fistulosa Mart. ex Choisy shrub Yes No
Ipomoea hederifolia   (Convolvulaceae)   vine Yes No
Ipomoea indica   (Convolvulaceae) Convolvulus indicus Burm.; Ipomoea acuminata (Vahl) Roem. & Schult.; Ipomoea cathartica Poir.; Ipomoea learii Paxton vine Yes No
Ipomoea nil   (Convolvulaceae) Convolvulus nil L.; Pharbitis limbata Lindl.; Pharbitis nil (L.) Choisy vine Yes No
Ipomoea obscura   (Convolvulaceae)   vine Yes No
Ipomoea ochracea   (Convolvulaceae)   vine Yes No
Ipomoea pes-tigridis   (Convolvulaceae)   vine No No
Ipomoea purpurea   (Convolvulaceae) Convolvulus purpureus L.; Ipomoea hirsutula J. Jacq.; Pharbitis purpurea (L.) Voigt herb Yes No
Ipomoea quamoclit   (Convolvulaceae) Quamoclit pennata Bojer vine Yes No
Ipomoea triloba   (Convolvulaceae)   vine Yes No
Ipomoea violacea   (Convolvulaceae) Convolvulus tuba Schlechtend.; Ipomoea macrantha Roem. & Schult.; Ipomoea tuba (Schlechtend.) G. Don vine Yes No
Iris germanica   (Iridaceae)   herb Yes No
Isachne globosa   (Poaceae)   grass Yes No
Ischaemum indicum   (Poaceae) Ischaemum ciliare Retz. grass Yes No
Ischaemum polystachyum   (Poaceae) Ischaemum digitatum var. polystachyum ((presl) Hackel grass Yes No
Ischaemum rugosum   (Poaceae)   grass Yes No
Ischaemum timorense   (Poaceae)   grass Yes No
Ixora coccinea   (Rubiaceae) Ixora lutea Hutch. shrub Yes No
Ixora pavetta   (Rubiaceae) Ixora arborea Roxb. ex Sm.; Ixora parviflora Vahl tree No No

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