klavertjevier

Klavertjevier, also known as the four-leaf clover, is a rare genetic variation of the common clover (Trifolium). Most clovers have three leaflets, but occasionally a plant develops a leaf with four leaflets. Four-leaf clovers can occur in species such as Trifolium repens (white clover) and other trifoliate clovers. The extra leaflet results from spontaneous genetic mutations or developmental changes, and the precise cause is not fully understood.

The occurrence of four-leaf clovers is uncommon. Estimates vary, but commonly cited figures suggest roughly one four-leaf clover in several thousand clovers, making them a notable rarity in the wild. The four leaves are typically arranged in a roughly symmetrical pattern, and individual leaves are otherwise similar to those of ordinary clovers.

In popular culture, the four-leaf clover is regarded as a symbol of good luck. Each leaf is sometimes said to represent faith, hope, love, and luck, although this attribution originates in folklore rather than botanical science. In Dutch culture, klavertjevier is a familiar motif and is widely used in decorative items, jewelry, and gifts as a charm of luck.

Ecologically, the plant remains a low-growing perennial that forms part of lawns and grassy habitats. While the four-leaf form is highly prized in decoration and folklore, it does not confer any proven biological advantage to the plant.