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© Etienne Branquart
 
 
 
 
 
 
© Etienne Branquart
 
 
© Etienne Branquart
 
Akebia quinata - Five-leaf

French name:  Akébie à cinq feuilles
Dutch name: Klimbes, Schijnaugurk
Family: Lardizabalaceae
Group: Vascular plants
Origin: Asia
Habitat: terrestrial
Introduction:  agri- and horticulture
ISEIA Score : 10
 
Naturalization
This species is not yet naturalised in Belgium.
Establishment potential in Belgium : medium
It is already invasive in : United Kingdom
Invasiveness
Reproduction in the wild: no
Dispersion potential: medium
Natural habitats: likely
More on naturalization and invasiveness: Akebia quinata has a wide environmental tolerance and thrives in many different soil conditions. It seems to prefer warm conditions; young growth in spring is frost-tender, even on mature plants. This vine can invade many types of habitats: urban areas, forest edges, woodlands, wetlands, riparian zones, etc. It spreads mainly vegetatively (seed production is infrequent); dispersion is typically dependent on man assistance. In Belgium, five-leaf is commonly used as an ornamental; it is planted in gardens and public green areas but doesn't reproduce in the wild so far.
Impacts on Species
Predation / Herbivory: low
Competition: high
Disease transmission: low
Genetic effects: low
Impacts on Ecosystems
Nutrient cycling: likely
Physical alteration: high
Natural successions: likely
Food web alteration: low
More on impacts: Under suitable environment conditions, Akebia quinata grows extremely quick (6 to 12 meters per year). It forms dense curtains of interwined stems that cover, outcompete and kill ground layer and shrub vegetation; it may also overtop canopy trees. Once established, its dense growth prevents the establishment of native species and has a strong influence on the availability of light, water and nutrients.
Data Source & References
Authors: Baus Erika, Branquart Etienne, Vanderhoeven Sonia, Van Landuyt Wouter, Van Rossum Fabienne, Verloove Filip.
Published on:  16 March 2009
Last update:  07 December 2009
References:
ISSG (Invasive Species Specialist Group) (2006)
Online fact sheets
Global Invasive Species Database, IUCN.

 
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