Understanding plants & the vegetable kingdom

The world of plants is astoundingly diverse. Thanks to 3 billion years of evolution, there are now more than 380,000 plant species on Earth. For all curious readers, the Knowledge Guides open the door to a world of complex and captivating phenomena. Accurate, detailed visual information is all defined in lay language to make it readily accessible to the non-expert. Definitions to scientific terms are given either in the explanation itself, or in the comprehensive glossary.