Contenido: The study of diversity. -- The plant body: plant behaviour. -- The first land plants: patterns of diversity. -- Sex and dispersal: gametes, spores, seeds and fruits. -- Flowers: evolution and diversity. -- Trees: adaptations in woods and forest. -- Adaptive growth forms: the limiting physical environment. -- Competition, herbivory and dispersal: the limiting biotic environment. -- Cultivated plsnts: conclusion Donación M.M.Arbo