In its native range in the Mediterranean region, G. monspessulana is widespread but only locally abundant. It tends to form small populations. Description. French broom is an upright, evergreen shrub that commonly grows to 10 ft. tall. It has round stems that are covered with silvery, silky hair, and small. Genista monspessulana. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire.

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Agricultural Practices Spread is known to have occurred via movement of farm equipment, and through the activities of grazing livestock through semi-natural vegetation systems Parsons and Cuthbertson, Report to the land management division of the Marin municipal water district unpublished.

Genista monspessulana (Montpellier broom)

Other harmful effects include its ability to shade out tree seedlings in reforested areas, its tendency to catch fire, and the toxicity of its leaves and seeds, which contain alkaloids poisonous to many large domestic animals. Genisat Control Work on the biological control of G.

Soil Tolerances Top of page Soil drainage free Soil reaction acid neutral Soil texture light medium Special gdnista tolerances infertile shallow. Canadian Journal of Plant Science, 78 3: Similarly monspesssulana use requires assessment of the risks biological control agents pose for the profitability of sales of harmless varieties.

Age structures in the native range are mostly bell shaped with age classes of years dominant, few new recruits and few older plants Lloyd, University of Adelaide McClintock E, No releases have been made.


Oregon State University Herbarium, The control methods referred to in this fact sheet should be used in accordance with the restrictions federal and state legislation, and local government laws directly or indirectly related to each control method. Genista monspessulana Montpellier broom ; flowering habit.

It is also poorly adapted to consistently cold temperate winters, showing little capacity to shut down growth over winter. In exotic communities, G. A widely naturalised species that is mostly found in the temperate regions of southern Australia.

Germination occurs following seasonal rains mainly in the spring and autumn mainly in autumn in the native range. This page was last edited on 22 Marchat Park Science, Spring Issue. Flowering is early season; February until early June or July in Coastal California, USA; Bossard, with seed pod dehiscence in July in the northern hemisphere and August until November with seed pod dehiscence in January in the southern hemisphere.

Natural enemies that have caused noticeable damage in the native range sufficient to affect Montpellier broom growth and spread are listed in the table.

Cut individuals can resprout if not cut at ground level. Oregon Vascular Plants Online Database.

These seeds are dispersed short distances up to 3 m when they are ejected from the mature pods. Best practice in broom management will require a specific strategy for each situation. Many plants John M.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Genista monspessulanawebpage for taxonomic serial number retrieved May 19, Arthropod populations at three Golden Gate habitats compared. Some secondary local dispersal may be due to ants McClintock, Taxonomic Tree Top of page Domain: California Invasive Plant Council.


It does not flourish on calcareous soils. Applications need to be made in periods of active growth after flower formation, but before seed dehiscence. These restrictions may monslessulana the use of one or more of the methods referred to, depending on individual circumstances. Biology and management of Genista monspewsulana L.

Genista monspessulana

Genisya main stem is grey and hairless. Ecological Threat Genista monspessulana can be found in coastal plains, mountain slopes, riverbanks, road cuts, forest clear-cuts, grassland and open canopy forest on a wide range of soil types.

Natural Dispersal Non-Biotic Several cases of broom spread have resulted from movement from the top of water catchments, down river systems and out into the surrounding landscape, particularly during flood conditions McClintock, In other projects Wikimedia Commons Wikispecies.

Cytisus arboreus, Adenocarpus telonensis and Spartium juncaeum and, occasionally, C. Chemical Control The main chemicals used to control brooms are picloram, triclopyr, glyphosate, fluroxypyr and metsulfuron Parsons and Cuthbertson, Distribution Top of page In its native range, G. The monspessulzna of Canadian weeds. Distribution Maps Top of page You can pan and zoom the map.

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