''Cytisus'' is a
genus of
flowering plants in the
family Fabaceae,
native to open sites (typically
scrub
Scrub(s) may refer to:
* Scrub, low shrub and grass characteristic of scrubland
* Scrubs (clothing), worn by medical staff
* ''Scrubs'' (TV series), an American television program
* Scrubs (occupation), also called "scrub tech," "scrub nurse," ...
and
heathland) 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 subfamily botanical names with "-oideae", and zoologi ...
Faboideae, and is one of several genera in the tribe Genisteae which are commonly called
brooms
A broom (also known in some forms as a broomstick) is a cleaning tool consisting of usually stiff fibers (often made of materials such as plastic, hair, or corn husks) attached to, and roughly parallel to, a cylindrical handle, the broomstick. I ...
. They are shrubs producing masses of brightly coloured, pea-like flowers, often highly fragrant. Members of the segregate genera, ''
Calicotome'', ''
Chamaecytisus'', 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 w ...
)
* ''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 Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and when Plant propagation, propagated retain those traits. Methods used to propagate cultivars include: division, root and st ...
have gained the
Royal Horticultural Society'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