Cytisus

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Cytisus
Cytisus scoparius by Danny S. - 001.JPG
Cytisus scoparius
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Papilionoideae
Tribe: Genisteae
Genus: Cytisus
Desf.
Synonyms[1]​
  • Chronanthos K.Koch
  • Cytisogenista Duhamel
  • Lembotropis Griseb.
  • Meiemianthera Raf.
  • Nubigena Raf.
  • Peyssonelia Boivin ex Webb & Berthel.
  • Sarothamnus Wimm.
  • Scaligera Adans.
  • Spartocytisus Webb & Berthel.
  • Spartotamnus Webb & Berthel. ex C.Presl
  • Verzinum Raf.

Cytisus is a genus of flowering plants in the family Fabaceae, native to open sites (typically scrub and heathland) in Europe, western Asia and North Africa. It belongs to the subfamily 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.[2] Members of the segregate genera, Calicotome, Chamaecytisus, and Lembotropis are sometimes included in Cytisus.[3][4][5]

Species[]

As of 2020, Kew's Plants of the World Online listed the following species:[1]​

  • Jaub. & Spach
  • Guss.
  • Velen.
  • (Güner) Vural
  • (Desf.) DC.
  • E.Fourn.
  • (Boiss.) Ball
  • (Willk.) Rchb.f. & Beck
  • (Durande) Spach
  • (Lange) Fern.Prieto, Nava, Fern.Casado, M.Herrera, Bueno Sánchez, Sa
  • Rchb.
  • Webb
  • Spach ex Ball
  • DC.
  • (H.Duman, Ba?er & Malyer) Vural
  • Boiss.
  • Cytisus multiflorus (L'Hér.) Sweet
  • Cytisus nigricans L.
  • Loisel.
  • Rivas Mart. & al.
  • Svent.
  • (Waldst. & Kit. ex Willd.) Spreng.
  • Zumagl.
  • Cytisus scoparius (L.) Link
  • Cytisus striatus (Hill) Rothm.
  • Cytisus supranubius (L.f.) Kuntze
  • Pourr.

Hybrids and cultivars[]

As of 2014, the following hybrids had been described:[5]

  • +Laburnocytisus 'Adamii' (Poit.) C. K. Schneid. (Laburnum anagyroides + Chamaecytisus purpureus) (not a true hybrid but a graft-chimera)
  • 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 have gained the Royal Horticultural Society's Award of Garden Merit:

  • Cytisus × beanii [6]
  • Cytisus × boskoopii 'Boskoop Ruby'[7] (deep crimson flowers,[8])
  • Cytisus × boskoopii 'Zeelandia'[9] (lilac, pink and cream flowers,[8])
  • Cytisus 'Burkwoodii'[10] (cerise red or crimson red and yellow edged flowers,[8])
  • Cytisus 'Hollandia'[11] (red and pale cream flowers,[8])
  • Cytisus × kewensis[12] (Cytisus ardoinii × Cytisus multiflorus; small, prostrate shrub with cream flowers)
  • Cytisus 'Lena' [13]
  • Cytisus nigricans 'Cyni'[14]
  • Cytisus × praecox 'Allgold'[15] (yellow flowers)
  • Cytisus × praecox 'Warminster' [16] (pale yellow flowers)

References[]

  1. ^ Jump up to: a b "Cytisus Desf". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 29 November 2020.
  2. ^ RHS A–Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  3. ^ "ILDIS LegumeWeb entry for Cytisus". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 17 April 2014.
  4. ^ USDA; ARS; National Genetic Resources Program. "GRIN species records of Cytisus". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Archived from the original on 20 January 2009. Retrieved 17 April 2014.
  5. ^ Jump up to: a b "The Plant List entry for Cytisus". The Plant List. Royal Botanic Gardens, Kew and the Missouri Botanical Garden. 2013. Retrieved 17 April 2014.
  6. ^ "Cytisus × beanii". RHS. Retrieved 5 May 2020.
  7. ^ "RHS Plant Selector—Cytisus × boskoopii 'Boskoop Ruby'". Retrieved 15 April 2020.
  8. ^ Jump up to: a b c d Andy McIndoe The Horticulture Gardener’s Guides - Shrubs (2005), p. 144, at Google Books
  9. ^ "RHS Plant Selector - Cytisus × boskoopii 'Zeelandia'". Retrieved 15 April 2020.
  10. ^ "RHS Plant Selector—Cytisus 'Burkwoodii'". Retrieved 15 April 2020.
  11. ^ "RHS Plant Selector—Cytisus 'Hollandia'". Retrieved 15 April 2020.
  12. ^ "RHS Plant Selector—Cytisus × kewensis". Retrieved 15 April 2020.
  13. ^ "Cytisus 'Lena'". RHS. Retrieved 5 May 2020.
  14. ^ "Cytisus nigricans 'Cyni'". RHS. Retrieved 5 May 2020.
  15. ^ "RHS Plant Selector—Cytisus ×praecox 'Allgold". Retrieved 15 April 2020.
  16. ^ "RHS Plant Selector—Cytisus × praecox 'Warminster". Retrieved 15 April 2020.
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