Trichomes occur in a multitude of forms and sizes. Although they have been used widely for
taxonomic purposes, their adaptive significance has been all but ignored by the evolutionist …

Populations of plants are subject to attack by pathogens and herbivores at all stages of their
life cycles. Pest pressure may be devastating, as illustrated by the outbreaks of insects apd …

Collards were grown at Ithaca, New York, in two experimental habitats: pure stands and
single rows that were bounded on each side by diverse, meadow vegetation. The …

Finally, an eBook version of this now classic textbook has become available. Largely based
on the 6th edition, published in 2000, this version is competitively priced. Written by well …

Rates of herbivory and defensive characteristics of young and mature leaves were
measured for saplings of 46 canopy tree species in a lowland tropical rain forest (Barro …

We define 'enemy free space'as ways of living that reduce or eliminate a species'
vulnerability to one or more species of natural enemies. Many aspects of species' niches, in …

The epidermis of plant organs is often ornamented with outgrowths called trichomes or hairs
(Esau, 1965). Essentially all the major groups of terrestrial plants appear to have or have …

The root systems of terrestrial plants perform two primary functions: the acquisition of soil-
based resources (principally water and ions), and anchorage. Other root system functions …

Optimal plant defense should incorporate any mechanisms that influence the feeding
behavior of potential pests. From a diverse collection of examples suggesting that the …

Biological studies of mimetic Neotropical butterflies in the nymphalid tribe Helieoniini have
twice come full cycle in the past 100 years. Bates's classic writings (6, 7), reflecting …