''Cytisus'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants t ...
s in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Fabaceae,
native
Native may refer to:
People
* Jus soli, citizenship by right of birth
* Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory
** Native Americans (disambiguation)
In arts and entert ...
to open sites (typically
scrub and
heath
A heath () is a shrubland habitat found mainly on free-draining infertile, acidic soils and characterised by open, low-growing woody vegetation. Moorland is generally related to high-ground heaths with—especially in Great Britain—a cooler a ...
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
Genus ( plural genera ) is a taxonomic rank used in the biological classifica ...
Faboideae, and is one of several genera in the tribe Genisteae 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
''Calicotome'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae
The Faboideae are a subfamily of the flowering plant family Fabaceae or Leguminosae. An acceptable alternative name for the subfamily ...
'', ''
Chamaecytisus
''Chamaecytisus'' is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae. It may be a synonym (taxonomy), synonym of ''Cytisus''. ''Chamaecytisus palmensis, C. palmensis'' is a tree from the Canary Is ...
'', and ''
Lembotropis'' are sometimes included in ''Cytisus''.
Species
,
Kew's
Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
listed the following species:
Hybrids and cultivars
, the following hybrids had been described:
* +''Laburnocytisus'' 'Adamii'
(Poit.) C. K. Schneid. (''Laburnum anagyroides'' + ''Chamaecytisus purpureus'') (not a true
hybrid but a
graft-chimera
In horticulture, a graft-chimaera may arise in grafting at the point of contact between rootstock and scion and will have properties intermediate between those of its "parents". A graft-chimaera is not a true hybrid but a mixture of cells, each wi ...
)
* ''Cytisus'' × ''beanii''
G.Nicholson (''Cytisus ardoini'' × ''Cytisus purgans'')
* ''Cytisus'' × ''czerniaevii''
Krecz.
* ''Cytisus'' × ''dallimorei''
Rolfe (''Cytisus multiflorus'' × ''Cytisus scoparius'')
* ''Cytisus'' × ''praecox''
Beauverd (''Cytisus multiflorus'' × ''Cytisus purgans'')
* ''Cytisus'' × ''syreiszczikowi''
V.I. Krecz.
* ''Cytisus'' × ''vadasii''
J.Wagner
* ''Cytisus'' × ''versicolor''
Dippel (''Cytisus hirsutus'' × ''Cytisus purpureus'')
* ''Cytisus'' × ''virescens''
Beck
* ''Cytisus'' × ''watereri''
Wettst.
AGM cultivars
Species have been widely cultivated and
hybridised, and the following
cultivars
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...
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 (Nor ...
's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
History
The Award of Garden Merit ...
:
* ''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
{{Taxonbar, from=Q157226
Taxa named by René Louiche Desfontaines
Fabaceae genera