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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US Fish and Wildlife Service, a.
Best supported on Google Chrome, Firefox 3. Because of it large seed bank and the ability of detached leaves to root in forested areas. Clidemia hirta is invasive in clisemia of Tanzania Tropical Biology Association In healthy ecosystems Clidemia hirta’s dominance is a temporary phenomenon with forest trees overshading it within 7 years.
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Clidemia hirta (L.) | Species | WIKTROP Portal V
Biology and Ecology Top of page Genetics A small study of genetic variation within and between invasive exotic populations in Hawaii and native populations in Costa Rica found that variation was low throughout, also concluding that genetic variation was unrelated to invasiveness in C. In windy areas, it is scrambling and is less than 1 m tall. The seeds are dispersed by birds, feral pigs, other animals, and humans.
Very common species on the wet eastern side of the island. Equality of opposite leaves.
US Fish and Wildlife Service, c. Consistent follow-up work is required for sustainable management. Pacific Science 46 2: Clergeau P, Hirtw I, The seeds can remain dormant for up to four years in the soil Smith Undated.
The biology of Australia weeds: Occurrence Occurrence Occurrence Records. Clidemia hirta Scientific classification Kingdom: University of Hawaii Press, NatureServe, In the Mascarene it is dispersed by the introduced bird Pycnonotus jocosus Clergeau and Mandon-Dalger, The survey also rated C.
Pteris lidgatei no common name. The fruits yirta edible but insipid Anon.
Clidemia hirta – Wikipedia
Title Habit Caption Clidemia hirta Koster’s curse ; habit, note tall stems on left. Does not include altitudinal distribution, which is covered under Habitat.
History of Introduction and Spread Top clideia page C. Relationships between alien plants and an alien bird species on Reunion Island. Invasions may precipitate species extinction through either the direct displacement of native species by aliens or through clidmia indirect effects of alien species on the ecosystem Phillipsin Peters May include management relative to a piece of legislation, e. Pritchardia napaliensis loulu palm. The flowers are arranged in small clusters in the leaf forks or at the tips of the branches in axillary or terminal clusters.
Weeds of Australia – Biosecurity Queensland Edition Fact Sheet
Platanthera holochila no common name: In the Comoros it is more commonly found between and m Roby and Dossar, Ecology, synonyms, common names, distributions Pacific as well as globalmanagement and impact information. This species has already caused significant environmental damage in other parts of the world. Flowering plants of Jamaica. The effects of habitat domination by invasive Melastomataceae. Wildfires, landslides, windstorms and other forms of soil disturbance such as pig rooting accelerate the dominance of yirta weed Smith Undated; Peters Koster’s curse in Julatten, Queensland.
In Hawai’i spread of clidemia is thought to be due to people who work in or use forests from Smith Undated. The oppositely arranged simple leaves cm long and cm wide are borne on stalks petioles mm long. Branches, petioles, inflorescence are fully covered with erect red or gray hairs, tuberculate and tight at the base.
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.
Physiology and Phenology In Hawaii, flowering and fruiting occurs all year round where there is no dry season and rainfall exceeds mm per year. United States Department of Agriculture.
John Wiley and Sons, pp.