the science that studies living organisms

a biologist specializing in the study of plants

the branch of botany that studies fungi and fungus-caused diseases

the branch of botany that studies and cultivates fruits

the study of fossil plants

the branch of botany that studies algae

the branch of botany that studies ferns

facing or on the side toward the apex

facing or on the side toward the base

of leaves or flowers; developing or opening in succession from base to apex

of leaves or flowers; developing or opening in succession from apex to base

attached by its base (as certain anthers to their filaments or stalks)