The Palm-Tree of Life: Biology, Utilization, and Conservation. Adv Econ Bot (6) books Keys to the tribes and

Keys to the tribes and genera of Vochysiaceae are also provided

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

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

by Julian A

subtribe Nassauviinae) has two centers of diversity

The Palm-Tree of Life: Biology, Utilization, and Conservation. Adv Econ Bot (6) books Keys to the tribes andPalms 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.