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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St Helena and Ascension Island: Plant Disease, 79 Institute of Pacific Islands Forestry.
Simon Brooks seedling Photo: Each flower is borne on a very short stalk i. Risk of Introduction Top of page C. Controlling the weed before it seeds will reduce future problems. They are oval i. Global Compendium of Weeds.
A guide for identification and public awareness. Means of Movement and Dispersal Top of page C. Title Fruit and leaves Caption Clidemia hirta Koster’s curse ; fruit and leaves. 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 cludemia areas Burkhart Pers.
Hirta in the understory of young secondary forest K. National Museums of Kenya, Nairobi. The venation is characteristic to species of the family Melastomataceae. John Wiley and Sons, pp. Clidemia hirta has been widely introduced as an ornamental plant. The leaves are opposite, simple, stalked, elliptical. 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.
In Hawaii, all new instances of C.
Once established Clidemia hirta is extremely difficult to control. Etude et Gestion des Sols, 7: Other animals moving through thickets of this species may carry seeds away with them e. They are white to pale purple, with 5 oblong petals. Long distance dispersal may also be brought about by human activities.
The best form of invasive species management is prevention.
Clidemia hirta – Wikipedia
At Caparo Forest Reserve, a lowland tropical deciduous forest ca m elevatopm; mean annual rainfall ca mm in Venezuela, C. Koster’s curse can form dense thickets that smother plantations, pastures and native vegetation.
A preliminary study of the undergrowth of primary and secondary submontane rainforests in the East Usambara Mountains, with notes on epiphytes. Seeds form a very large seed bank where they remain viable for up to 4 years.
It was observed in all regions of the island of Grande Comore up to m altitude. The oppositely arranged simple leaves are borne on stalks. Don Melastomataceae – a new record of a naturalized taxon for Tamil Nadu. However, repeated efforts to control seedlings in expanding Hawaiian populations have failed.
Wild pigs may also act as agents of dispersal for introduced species including C. These fruit are also covered in stiff spreading hairs, especially when they are young. Malaysian Plant Protection Society, The declared noxious weeds of Fiji and their control, 3rd edn.
Clidemia hirta is quite hirfa to recognise. The flowers are arranged in small clusters in the leaf forks or at the tips of the branches in axillary or terminal clusters. Search in all groups Search within this group.
They are oval or egg-shaped in outline with broad end at base, with pointed tips, and almost entire to finely toothed margins.
Title Leaf and flower. Although the plant can grow in relatively shaded conditions, sexual reproduction only occurs in more favourable light regimes such as tree fall gaps. hrta
Clidemia hirta Scientific classification Kingdom: Koster’s curse in Julatten, Queensland. Fresh fruits in Puerto Rico weighed about 0. Hand pulling of seedlings and digging up mature plants, inclusive of roots, is possible. Describes techniques and goals used in management of species – breeding and cultivation, control etc. The spread of Clidemia hirya has been linked to soil disturbances, particularly that caused by the wild pig, another invasive species.
Clidemia crenata Vahl DC. It was flidemia prevalent along steep embankments with exposed soil. Plants of the Eastern Caribbean. Species specific search options Taxon Hierarchy.