Shamrock, Purple shamrock, Oxalis triangularis, Black & white studio shot.

Wood sorrel, Violet wood sorrel, Oxalis violacea, Growing outdoor covered in raindrops.

Yellow eye sorrel, Oxalis obtusa, Front view of several overlapping cream flowers with thin red viens and yellow centres.

Oxalis.

Shamrock, Purple shamrock, Oxalis triangularis.

Oxalis, Oxalis siliquosa 'Sunset Velvet'.

Oxalis corymbosa, Pink wood sorrel, cluster of three flowers against green, three lobed leaf.

Luckyclover, Oxalis tetraphylla 'Iron Cross'.

Oxalis, Oxalis siliquosa 'Sunset Velvet'.