Mike Read / Toothwort (Lathraea squamaria) growing amongst the leaves of Ramsons (Allium ursinum) in woodland, near Wareham, Dorset, England, UK. March.

Mike Read / Toothwort (Lathraea squamaria) growing amongst the leaves of Ramsons (Allium ursinum) in woodland, near Wareham, Dorset, England, UK. March.

Paul Harcourt Davies / Toothwort (Lathraea squamaria) a parasitic plant, in flower, Podere Montecucco, Orvieto, Umbria, Italy. April.

Alex Hyde / Common toothwort (Lathraea squamaria) flowering under an ancient hazel tree which it parasitises, Peak District National Park, Derbyshire, UK. March.

Linda Pitkin / Common toothwort (Lathraea squamaria) in flower, under trees, Surrey, England. April. © Linda Pitkin LP0559

Linda Pitkin / Toothwort (Lathraea squamaria). Surrey, England, UK. March.

Adrian Davies / Purple toothwort (Lathraea squamaria), parasitic on roots of Oak (Quercus sp). In botanic garden, Surrey, England, UK. March.

Linda Pitkin / Toothwort (Lathraea squamaria). Headley, Surrey, England, UK. March.