Clidemia hirta is a densely-branching shrub that usually grows from 50 – cm tall, often forming impenetrable stands, especially if growing in good soils[. Leaf and flower, Clidemia hirta (Kostner’s curse); opposite leaves (up to 15 cm long x 8 cm wide) have prominent veins and are dark green. Plant Morphology: Growth Form: Perennial shrub. Foliage: Glossy, deeply veined leaves are ovate to oblong with crenate leaf margin (leaf edge lined with.

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Clidemia hirta – Useful Tropical Plants

The terrestrial ecology of Ascension Island. Click on images to enlarge. Five major veins originate at the base of the leaf and extend to the apex. In Hawaiian communities, C. Guide to the naturalized and invasive plants of Eastern Africa, [ed.

It is a highly invasive shrub in the montane rainforests and cloud forests. In the s and s it was accidentally introduced to five other Hawaiian islands Smith, The petiole, 1 to 2. Title Leaf hita flower Caption Clidemia hirta Kostner’s curse ; opposite leaves up to 15 cm long x 8 cm wide have prominent veins and are dark green. Clergeau Girta, Mandon-Dalger I, Adams, ; Missouri Botanical Garden, Pedicels about 5 mm long, hairy, with 2 small bracts under the flower tube.


Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Scientific name

Biological control of weeds. World Wide Web page at http: Manually pulling plants out of the ground supplemented by herbicide application is an effective cclidemia temporary control method.

Department of Primary Industries. It is a potential weed of wetter pastures, open grasslands, plantations, roadsides, wetter open woodlands, waterways i. It is an invasive plant species in many tropical regions of the world, creating serious damage.

Powered by the open source Biodiversity Informatics Platform. A revised handbook to the flora of Ceylon.

The primary means of inter-island transfer in the Pacific is believed to be as seeds in mud stuck to boots, and people, including walkers and hunters, are thought to be at least partially responsible for local dispersal on Hawaii and elsewhere. Clidemia hirta Koster’s curse ; habit, showing leaves. The spread of Clidemia hirta has been linked to soil disturbances, particularly that caused by the wild pig, another invasive species.

An online database that provides taxonomic information, common names, synonyms and geographical jurisdiction of a species. Yet other infestations are thought to be due to spread by pig hunters.


Simon Brooks habit Photo: Pacific Islands Ecosystems at Risk. Koster s curse Clidemia hirtaa weed pest in Hawaiian forests. There is content in another language. When several references are cited, they may give conflicting information on the status.

Consistent follow-up work is required for sustainable management. Declared Class 1 Pest Plant. Once established Clidemia hirta is extremely difficult to control.

Clidemia hirta

In many parts of the invaded range the species regenerates readily in treefall gaps Ashton et al. The corolla consists of five small white petals.

The impact of C. Clidemia is in the Melastomataceae and somewhat similar horta to miconia.

Uses Top of page The cclidemia are edible but insipid Anon. Ashmole P, Ashmole M, On the Seychelles the shrub is absent from drier areas. If seeds are present they germinate rapidly and within 2 years the disturbed area can become smothered.