Botanical name: Trifolium dubium
Family name: Fabaceae
A closer look at this plant which I found had rapidly overtaken a flowerpot of decaying marigolds during the winter months.
‘Suckling clover is smaller in size than many of the other clover species found within New Zealand. It is a winter annual, so it mainly germinates in autumn, grows through the winter then flowers in spring, produces its seeds and dies off as the soil dries out in early summer.’