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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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It doesn’t spread vegetatively from its roots, but plants can survive cutting and tend to re-sprout from the crown when cut or burned. Seeds strophiolate with appendages to the hilum. In its native range, broom is a calcifuge Polunin and Smythies, Secondary flowers may be produced as part of a second flowering higher up the shoot a few months later in the same season on young actively growing plants.

Cytisus ‘Porlock’ is considered to be a hybrid between G. Contracted Research Report No. In its introduced range, however, it is an invasive environmental weed of national, state and urban parks a Online Montpellier broom statutory management plan. Shaded plants adapt by having lower branches and larger leaves. US Fish and Wildlife Service, a. A review of the genus Teline. 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.

Taxonomic Tree Top of page Domain: Sheldon Navie habit Photo: In the native range, G.


Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Many land managers perceive management with fire as too risky and also little is known about the effects of such control burns on the native species that should be encouraged to replace the weed. University of Washington Ph.

Big flushes of germination follow large-scale disturbance, droughts and fires after rain and can probably occur at any time of the year.

The wedge-peas Gompholobium spp. Molecular Phylogenetics and Evolution, 8: Distribution Top of page In its native range, Mlnspessulana. In exotic populations, the historic horticultural importation and associated hybridization activities with other species in the Teline group suggest that exotic populations may nonetheless exhibit genetic variation and as such may not be identical to native G.

Flower s ; John M. Easter broom, Genista x spachiana. Hesperolinon congestum Marin dwarf-flax. Plant Protection Quarterly, 15 4: Genista monspessulanawebpage for taxonomic serial number retrieved May 19, It is related to the common broom and Spanish broom. University of Southamptom, UK. Modelling the biological control of French broom, Genista monspessulana.

Genista monspessulana (Montpellier broom)

Seed production increases asymptotically with plant age for all populations, peaking at ca. Montpellier broom is quite tolerant of heavy shade as it persists as an understorey plant at least in forest gaps and trails even with quite dense canopy cover. This is the only place in Greece where acid soils occur at sufficient altitude for the necessary rainfall, in an area that does not genusta hard continental winters Sheppard, Applications need to be made in periods of active growth after flower formation, but before seed monspessulans.

In the USA, G. Where does this species come from? View All Images at Invasive.


Californian redwood forests, USAit can reduce natural regeneration by shading. Parsons and Cuthbertsonallude to its use by Mexican Indians for smoking etc.

Risk of Introduction Top of page As G. French broom can invade a wide range of habitats including roadsides, fields, logged areas, bluffs and coastal areas.

Genista monspessulana

In Victoria, Montpellier broom is in the top 30 most widespread weeds with ha of dense infestation, 50, ha of medium infestation andha of scattered infestation Lane et al. Arthropod populations at three Golden Gate habitats compared. Integrated Control Only two studies have been found that look in depth at possible management strategies for G. It is particularly prevalent along the coast from Monterey county north to Mendicino county and inland in Lake Solano and Contra costa counties and also in the Sierra Nevada foothill counties to m Bossard, Garcia-Barriga H, Forero E, The main stem is grey and hairless and ridges reduce with age.

Status reports on invasive weeds: From Wikipedia, the free encyclopedia. Arid Soil Research and Rehabilitation, 13 3: Reburning the same site years later may also help if there is a sufficient fuel load and the frequent fires do not prevent native bush regeneration. It is native to the Mediterranean region. Randall, The Nature Conservancy, Bugwood.

The fruit is a silky or downy i.


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