Trifolium dubium

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Trifolium dubium
Trifolium dubium kz1.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Trifolium
Species: T. dubium
Binomial name
Trifolium dubium

Trifolium dubium, the lesser trefoil,[1] lesser hop trefoil or suckling clover is a plant in the family Fabaceae. This species is generally accepted as the primary plant to represent the traditional Irish shamrock.[2]

It is native to Europe, but can be found in many parts of the world as an introduced species.

It is probably an allotetraploid that arose from the crossing of Trifolium campestre and T. micranthum.[3]


See also[edit]


  1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (XLS) on 2015-02-25. Retrieved 2014-10-17. 
  2. ^ Cooper, P. Shamrock shortage in Ireland sparks St. Pat's fears. Irish Central.
  3. ^ Ansari, H. A., et al. (2008). Molecular and cytogenetic evidence for an allotetraploid origin of Trifolium dubium (Leguminosae). Chromosoma 117(2):159-67.

External links[edit]