Biology:Chamaecytisus hirsutus

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Short description: Species of legume

Chamaecytisus hirsutus
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Chamaecytisus
Species:
C. hirsutus
Binomial name
Chamaecytisus hirsutus
L.
Synonyms[1]

Chamaecytisus hirsutus (clustered broom or hairy broom) is a perennial plant belonging to the genus Chamaecytisus of the family Fabaceae.

Description

Chamaecytisus hirsutus reaches on average 30–40 centimetres (12–16 in) of height, with a maximum height of about 100 centimetres (39 in). The stem is more or less ascendent, woody in the lower part, branched, with ascending annual and herbaceous branches (suffruticose) with hairs 3 millimeters long (hence the Latin name hirsutus of this species, meaning hairy). The small deciduous leaves are trifoliate, ovate to elliptic, hairy on both sides, 18–25 millimetres (0.71–0.98 in) long, with a petiole. The flowers are initially orange-yellow, then tend to be colored with reddish brown. The flowering period extends from April through June. Its legumes (seed pods) are 25–40 millimetres (0.98–1.57 in) long, very hairy and mature in late Summer.

Taxonomy

Chamaecytisus hirsutus was first described by Carl Linnaeus in 1753 as Cytisus hirsutus. It was transferred to the genus Chamaecytisus in 1831.[2]

Subspecies

As of August 2025, Plants of the World Online accepted two subspecies:

  • Chamaecytisus hirsutus subsp. hirsutus
  • Chamaecytisus hirsutus subsp. polytrichus (M.Bieb.) Ponert, synonyms include Cytisus polytrichus M.Bieb. and Chamaecytisus polytrichus (M.Bieb.) Rothm.[3]
Flower
Flower
Leaves

Distribution

This plant occurs in Turkey, Austria, Czechoslovakia, Hungary, Switzerland, Albania, Bulgaria, former Yugoslavia, Greece, Italy, Romania and France.

Habitat

These plants can be found on calcareous and arid environments, such as dry meadows and slopes at the edge of the woods. They are typically found at an altitude of 0–1,500 metres (0–4,921 ft).

References

  1. ↑ "The Plant List: A Working List of All Plant Species". http://www.theplantlist.org/tpl1.1/search?q=Cytisus+hirsutus. 
  2. ↑ "Chamaecytisus hirsutus (L.) Link" (in en). Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/485961-1. 
  3. ↑ "Chamaecytisus hirsutus subsp. polytrichus (M.Bieb.) Ponert" (in en). Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/884957-1. 
  • Pignatti S. - Flora d'Italia - Edagricole – 1982. vol. III
  • Tutin, T. G. et al., eds. 1964–1980. Flora europaea
  • {{citation

| mode = cs1 | title = Chamaecytisus hirsutus | work = Germplasm Resources Information Network (GRIN) | url = | publisher = [[Organization:Agricultural Research ServAgricultural Research Service (ARS), United States Department of Agriculture (USDA) | access-date = }}

Wikidata ☰ {{{from}}} entry



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