The ancestors of the genus are believed to have entered South America during the late Cretaceous. William Baker and Thomas Couvreur found Bactris to be one of six palm genera that showed the highest rates of speciation. Both stems and leaves of Bactris species are generally covered with spines. Stems generally bear spines on the internodes; in B. ...
Found on
http://en.wikipedia.org/wiki/Bactris
(from the article `palm`) ...abundance of palms may also be considered in relation to numbers of species per genus, in that a few palm genera have large numbers of species. ... ...only one of a diversity of mechanisms of pollination. Some genera, such as the coconut and babassu palms, are pollinated by both insects and wind. ... [2 r...
Found on
http://www.britannica.com/eb/a-z/b/4
No exact match found.
