Provides a basic introduction to twenty five commonly occurring families of flowering plants, chosen for their economic, ornamental and ecological importance. It is designed to enable students of ...
THIS little book is intended for students who have already studied the elementary principles of botanical science. It is divided into three parts, dealing with respectively, the most general ...
Scientists think they have the answer to a puzzle that baffled even Charles Darwin: How flowers evolved and spread to become the dominant plants on Earth. Flowering plants, or angiosperms ...
Unlike animals, plants don’t need a male and a female because their flowers have both male parts and female parts. Pollen in plants is like sperm in animals. It comes from the male part of the ...