The Palm-Tree of Life: Biology, Utilization, and Conservation. Adv Econ Bot (6) books detailed accounts of each orchid

detailed accounts of each orchid species found in the Greater Antilles

A study of these extant members and the cycad fossil record dating back to over 250 million years ago has revealed that cycads have remained relatively unchanged throughout their long history

The neotropical species of the genus are placed in four sections

a group of some 250 (233 American) species characterized by the syndrome of bracteolate pedicels

The Palm-Tree of Life: Biology, Utilization, and Conservation. Adv Econ Bot (6) books detailed accounts of each orchidPalms play important and often multiple roles in the economies of many tropical and subtropical countries. This collection of twenty one papers is divided into four sections: a taxonomic overview of palms; the reproductive biology, ecology, and physiology of certain economically useful palms; the utilization of palms; and the conservation of palms. Ethnobotanical and domestication studies of palms are particularly well represented.