Niall Benvie / Photograph of flowering Restharrow (Ononis sp)manipulated and text added to represent illustrated book page. Scotland, UK, July

Nick Upton / Yellow restharrow (Ononis hesperia / Onis natrix hesperia) flowering on a coastal headland, Lanzarote, Canary Islands, February.

Paul Harcourt Davies / Mount Cenis Restharrow (Ononis cristata ssp apennina) Campo Imperatore, Abruzzo, Italy, June.

Rod Williams / Common restharrow (Ononis repens) Hutchinson's Bank, New Addington, London, UK. July.

Rod Williams / Common restharrow (Ononis repens) in flower, Hutchinson's Bank, New Addington, London, England, July.

Mike Read / Mount Cenis restharrow (Ononis cristata) Vercors Regional Natural Park, France, June.

Alex Hyde / Common restharrow (Ononis repens) Devon, UK. June.

Nick Upton / Common restharrow (Ononis repens) flowering on chalk grassland hillside meadow, Wiltshire, UK, July.

MYN / Marko Masterl / Spiny Restharrow (Ononis spinosa) in flower, Slovenia, Europe, July, meetyourneighbours.net project

Paul Harcourt Davies / Apennine restharrow (Ononois cristata ssp apennina) in flower, Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy

Nick Upton / Bushy / Yellow restharrow (Ononis ramosissima / natrix ramosissima) flowering in a large clump among sand dunes with Grand statice (Limoniastrum monopetalum) bushes in the background. Alvor, Algarve,...

Nick Upton / Spiny restharrow (Ononis spinosa) flowering in a traditional hay meadow, Slovenia, July