Trifolium dubium

Trifolium dubium
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 Sibth.
Synonyms
Amarenus flavus C. Presl Chrysaspis dubia (Sibth.) Desv. Chrysaspis dubia (Sibth.) E.H.Greene Trifolium filiforme sensu auct. Trifolium flavum C. Presl Trifolium luteolum Schur Trifolium minus Sm. Trifolium praticola Sennen Trifolium procumbens "L., p.p." Trifolium procumbens sensu auct.

Trifolium dubium, the lesser trefoil,suckling clover,little hop clover or lesser hop trefoil, is a flowering plant in the pea and clover family Fabaceae. This species is generally accepted as the primary plant to represent the traditional Irish shamrock.

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

It is probably an allotetraploid with 2n=32 that arose from the crossing of Trifolium campestre and T. micranthum.

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Wikipedia