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Medicago arborea is a flowering plant species in the pea and bean family Fabaceae. Common names include moon trefoil, shrub medick, alfalfa arborea, and tree medick. It is found throughout Europe and especially in the Mediterranean basin, primarily on rocky shores among shrubby vegetation. It forms a symbiotic relationship with the bacterium Sinorhizobium meliloti, which is capable of nitrogen fixation. It is the only member of the genus Medicago which is used as an ornamental. M. arborea is sometimes misidentified as Cytisus, which it resembles.[1]

Tree medick
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Rosids
Order:
Fabales
Family:
Fabaceae
Subfamily:
Faboideae
Genus:
Medicago
Species:
M. arborea
Binomial name
Medicago arborea
Synonyms
  • Medicago arborea var. citrina Font Quer
  • Medicago arborea subsp. citrina (Font Quer) O. Bolòs & Vigo
  • Medicago arborescens C. Presl
  • Medicago citrina (Font Quer) Greuter
  • Rhodusia arborea (L.) Vassilcz.
  • Trigonella arborea (L.) Vassilcz.

Description


The shrub is 1–4 metres (3 ft 3 in – 13 ft 1 in) high and wide and is pale yellow in colour. Its stems are erect and terete while its stipules are triangular and are 5–8 millimetres (0.20–0.31 in) in height. Its petioles are 2–4 centimetres (0.79–1.57 in) long with obovate to obcordate leaflets. Flowers are scattered 6-10 racemes and are 2–2.5 centimetres (0.79–0.98 in) long with axillar peduncles which are 3–5 centimetres (1.2–2.0 in). Bracts are 2 millimetres (0.079 in) long while its pedicels are 5 millimetres (0.20 in) long. Its legume is coiled in 0.5 to 1.5 spirals which are 12–15 millimetres (0.47–0.59 in) wide and are pubescent at the center. The corolla is of orange colour and is 12–15 millimetres (0.47–0.59 in). The seeds are 4 millimetres (0.16 in) long.[2]


References


  1. Lesinš, Karlis Adolfs; Lesinš, Irma (1979). Genus Medicago (Leguminosae). The Hague, The Netherlands: Dr. W. Junk bv Publishers. p. 132. ISBN 90-6193-598-9.
  2. "Medicago arborea". 778 (1753). Flora of China. {{cite journal}}: Cite journal requires |journal= (help)



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На других языках

- [en] Medicago arborea

[es] Medicago arborea

Medicago arborea es una especie de fabácea que crece de forma espontánea en muchas zonas de la Europa meridional, también se cultiva para uso forrajero y como planta ornamental.

[ru] Люцерна древовидная

Люцерна древовидная[2] (лат. Medicago arborea) — вид двудольных растений рода Люцерна (Medicago) семейства Бобовые (Fabaceae). Впервые описана шведским систематиком Карлом Линнеем[3] в 1753 году[4].


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