Lotus macranthus is a species that grows in the Madeira archipelago.
Lotus macranthus has a taproot that zigzags as it grows into the ground. Its roots are whiteish in color, soft, brittle, juicy.
Lotus macranthus was first scientifically described by Richard Thomas Lowe in 1838. He later described it as Pedrosia macrantha in 1856, a genus that is now synonymized with Lotus.
Its native range is in the Madeira archipelago.