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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In Turning the tide: Clidemia hirta Scientific classification Kingdom: The opposite leaves up to 15 cm long and 8 cm wide have prominent veins and are dark green. In Madagascar, it was a non-intentional introduction in as a seed contaminant Binggeli, Koster s curse Clidemia hirtaa weed pest in Hawaiian forests.

Title Leaf and 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. In Flora of Thailand. Observation specific search options Observed during. A geographical atlas of world weeds. Institute of Pacific Islands Forestry. Checklists specific search options Coidemia during.

Koster was the man who between and accidentally introduced seeds of C. These fruit are also covered in stiff spreading hairs, especially when they are young.

Associations In the West Indies, C. In Hawaii it is replacing the endemic species that formerly dominated native forests and it is threatens their extinction. Staphidium benthamianum Naudin Staphidium elegans Aubl. Clidemia is susceptible to a number of herbicides but will regenerate unless further applications are made. An online database that provides taxonomic information, common names, synonyms and geographical jurisdiction of a species. National Germplasm Resources Laboratory.


While every care is taken to ensure the accuracy of this information, DEEDI does not invite reliance upon it, nor accept responsibility for any loss or damage caused by actions based on it.

Recovery Plan for Oahu Plants.

Clidemia hirta

Formerly, it was only considered as a pasture or crop weed but in recent decades it has become a major weed of natural forest communities.

The inflorescence is a panicle that can be terminal or axillary. Flowering and fruiting occur throughout the year with prolific production of seeds Peters All new range extensions in Hawaii begin along the hirt edges of trails or other disturbed areas [8].

Please consider upgrading your browser to the latest version or installing a new browser. The human edibility factor of this berry has not been fully explored.

Click on images to enlarge infestation Photo: Click on the name for additional informations.

Clidemia hirta – Useful Tropical Plants

Norman and Trujillo have found that a mycoherbicide containing Colletotrichum gloeosporioides f. Its frequency and abundance in annual crops are relatively low. Relationships between alien plants and an alien bird species on Reunion Island. It is also native to the Caribbean islands Wester and Wood, Guidelines for the management hirtz invasive alien plants or potentially invasive alien plants which are intended for import or have been intentionally imported.


Hirta occurs primarily along trails, but also in the undisturbed understory, and seldom in full sunlight. Koster’s curse in Julatten, Queensland.

Biomass allocation, growth, and photosynthesis of genotypes from native and introduced ranges of the tropical shrub Clidemia hirta. Clidemia hirta Invasion at the Pasoh Forest Reserve: A weed with low to medium harmfulness, except when present in large numbers in the sugar cane fields. Mauritius Islands of Mauritius and Rodrigues. The declared noxious weeds of Fiji and horta control, 3rd edn.

Simon Brooks seedling Photo: It is a potential weed of wetter pastures, open grasslands, plantations, roadsides, wetter open woodlands, riparian zones banks of watercoursesforest margins and rainforests.

Conservation Society of Pohnpei, 29 pp. In the East Usambaras Tanzania the shrub is found not only along roadsides but also in many parts of the undisturbed montane forest Binggeli, Suzanne and rarely between Saint-Joseph and Saint-Pierre. In more shaded habitats it grows much taller than it does in exposed areas, where it typically grows less than 1 m tall.

Held by a petiole of 0. Hydrolysable tannins of C. Its main goal is summarize the most relevant or attractive characteristics of this taxon clidemai the general public. There was no mortality over 2 months.

The petiole, 1 to 2.