''Cytisus'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Fabaceae,
native
Native may refer to:
People
* '' Jus sanguinis'', nationality by blood
* '' Jus soli'', nationality by location of birth
* Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory
** Nat ...
to open sites (typically
scrub and
heath
A heath () is a shrubland habitat found mainly on free-draining infertile, acidic soils and is characterised by open, low-growing woody vegetation. Moorland is generally related to high-ground heaths with—especially in Great Britain—a coole ...
land) in Europe, western Asia and North Africa. It belongs to the
subfamily
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...
Faboideae, and is one of several genera in the tribe
Genisteae
Genisteae is a tribe of trees, shrubs and herbaceous plants in the subfamily Faboideae of the family Fabaceae. It includes a number of well-known plants including broom, lupine (lupin), gorse and laburnum.
The tribe's greatest diversity is ...
which are commonly called brooms. They are shrubs producing masses of brightly coloured, pea-like flowers, often highly fragrant. Members of the segregate genera ''
Calicotome'', ''
Chamaecytisus
''Chamaecytisus'' is a genus of flowering plants in the legume family, Fabaceae. It includes 43 species which range from the Canary Islands and Morocco through mainland Europe to western Siberia, Kazakhstan, the Caucasus, Anatolia, and the easter ...
'', and ''
Lembotropis'' are sometimes included in ''Cytisus''.
Species
,
Kew
Kew () is a district in the London Borough of Richmond upon Thames. Its population at the 2011 census was 11,436. Kew is the location of the Royal Botanic Gardens ("Kew Gardens"), now a World Heritage Site, which includes Kew Palace. Kew is ...
's
Plants of the World Online
Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew.
History
Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...
accepted the following species and natural hybrids:
Award of Garden Merit cultivars
Species have been widely cultivated and
hybridised, and the following
cultivars
A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated. Methods used to propagate cultivars include division, root and stem cuttings, offsets, grafting, tissue cult ...
have gained the
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...
's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
It includes the full range of cultivated p ...
:
* ''Cytisus'' × ''beanii''
*''Cytisus'' × ''boskoopii'' 'Boskoop Ruby' (deep crimson flowers,
[)
*''Cytisus'' × ''boskoopii'' 'Zeelandia' (lilac, pink and cream flowers,][)
*''Cytisus'' 'Burkwoodii' (cerise red or crimson red and yellow edged flowers,][Andy McIndoe ])
*''Cytisus'' 'Hollandia' (red and pale cream flowers,[)
*''Cytisus'' × '' kewensis'' (''Cytisus ardoinii'' × ''Cytisus multiflorus''; small, prostrate shrub with cream flowers)
*''Cytisus'' 'Lena'
* ''Cytisus nigricans'' 'Cyni'
*'' Cytisus × praecox'' 'Allgold' (yellow flowers)
*''Cytisus'' × ''praecox'' 'Warminster' ]
References
{{Authority control
Taxa named by René Louiche Desfontaines
Fabaceae genera
Flora of the Palearctic realm