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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Mito T, Uesugi T, Only 4 years elapsed between the first record of C. Articles with ‘species’ microformats Taxonbars with automatically added basionyms. Notes on Natural Enemies Top of page In the New World all plants show signs of heavy herbivory, whereas in its naturalized range it appears to be only affected by insects introduced as biocontrol agents.

It is feared it will have a similar effect in other regions where it has been introduced such as in various Indian Clisemia Islands Seychellesthe Malaysian Peninsula and parts of Micronesia Palau. International Institute of Tropical Forestry.

Non-native species in UK Overseas Territories: In Jamaica its altitudinal distribution ranges between 30 and m.

Nomenclature and Classification Nomenclature and Classification. Koster’s curse can form dense thickets that smother plantations, pastures and native vegetation. There have been many well-meaning attempts by volunteer groups to control the spread of C.

Distribution Top of page C. The results of at least one study have implied hirra by competing with native species in gaps, the C.

Clidemia hirta

Hollow or solid stem. Hirta plants were located, although other Clidemia species were found. In its native environment plants are confined to open areas and only become dominant about twelve months after disturbance, such as in slash-and-burn agricultural areas Burkhart Pers.

Even plants near trails were extensively shaded.

EPPO Bulletin 36 3 Their upper surfaces are sparsely covered in hairs, similar to those found on the stems they are sparsely strigosewhile their lower surfaces and margins are more densely hairy.

US Fish and Hrta Service, e. Each of these berries contains over light brown colored seeds.

Factsheet – Clidemia hirta (Koster’s Curse)

It competes with native plants in gaps in undisturbed forests and has the potential to alter forest regeneration. Best supported on Google Chrome, Firefox 3. There is content in another language. Don Melastoma elegans Aubl. In the East Usambaras Tanzania the shrub is found not only along roadsides but also in many parts of the undisturbed montane forest Binggeli, Clidemia hirta Kostner’s curse ; opposite leaves up to 15 cm long x 8 cm wide have prominent veins and are dark green.

Fast colonization of an introduced bird: Title Leaf and flower.

Useful for identification and comparison. These fruit are also covered in stiff spreading hairs, especially when they are young. In more shaded habitats it grows much taller than it does in exposed areas, where it typically grows less than 1 m tall.

Online Database Clidemia hirta Summary: Extensive searches for C. Prevention of hydrolysable tannin toxicity in goats fed Clidemia hirta by calcium hydroxide supplementation. This species, very shade tolerant emerged in the s in the rainforests of low altitude of Southeast Reunion and in the vanilla plantations at the same time with Pycnonotus jocosus Bulbulwhich is the main disseminator. User specific search options User. If seeds are present they germinate rapidly and within 2 years the disturbed area can become smothered.

Recovery Plan for Oahu Plants: Pteris lidgatei no common name. Staphidium benthamianum Naudin Staphidium elegans Aubl. The plant is agamospermous and exhibits a high level of male sterility, as indicated by its low pollen viability Melo et al. The result is a score of 27 and a recommendation of: Binggeli, ; Mune and Parham, Vegetation of Samoa and Tonga. The seeds can remain dormant for up to four years in the soil Smith Undated. It is a potential weed of wetter pastures, open grasslands, plantations, roadsides, wetter open woodlands, riparian zones banks of watercoursesforest margins and rainforests.

The lamina is 7 to 15 cm long and 4 to 8 cm wide; elliptical to broadly ovate to oblong, abruptly acuminate on top, rounded to subcordate at the base, loosely hairy on both sides. The younger stems are rounded and are covered in large, stiff, brown or reddish-colored hairs they are strigose. Also naturalised in tropical Africa, Madagascar, the Mascarenes, the Seychelles, tropical Asia and on several Pacific islands i.