The left-right asymmetry of South African butterfly lilies (genus Wachendorfia) has been regarded as a classic evolutionary puzzle for more than a century. Due to the mirror-image arrangement of the floral parts, the plants achieve efficient cross-pollination. The molecular basis of this arrang...
Source: [Phys.org](https://phys.org/news/2026-07-supergene-evolutionary-puzzle-mirror-image.html)