Plants : FabaceaeFerns and Flowering Plants

Trifolium dubium Sibth.

Lesser Trefoil

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Trifolium dubium

Description: A very common, small, native annual of dry ground. It has clover-like leaves, each leaflet notched at the apex (which helps to separate this species from the superficially similar black medick (Medicago lupulina) which has a point at the apex. The yellow pea-type flowers are carried in a small round head. When dead they turn brown, droop down, and hide the tiny straight pods.

All names: Trifolium dubium Sibth.; Chrysaspis dubium (Sibth.) Desv.

Distribution Map from NBN: Trifolium dubium at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Trifolium dubium at iNaturalist World Species Observations database.

 Hackney, P., 2026. Trifolium dubium. Sibth.. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=3252. Accessed on 2026-11-02.