Book excerpt: RHS Genealogy for Gardeners is part of the bestselling series that includes RHS Latin for Gardeners and RHS Botany for Gardeners. This informative, easy-to-understand and beautifully designed reference book explores plant families and the plant family tree in unparalleled detail. From roses (Rosaceae) to rhubarb (Polygonaceae) and carrots (Apiaceae) to camellias (Theaceae), RHS Genealogy for Gardeners unlocks a wealth of practical information, helping you to identify, select and cultivate plants from over 70 families most familiar to gardeners. Along with details about the size, range, origin and appearance of each family, feature boxes highlight interesting facts and provide useful growing tips. Whether you are a gardener, horticultural student, budding botanist or plant enthusiast, RHS Genealogy for Gardeners will help you understand and appreciate the extraordinary diversity and unrivalled splendour of the plant kingdom.