%0 Journal Article
%T Revisi車n taxon車micadelg谷nero helicteres l. (sterculiaceae) en Venezuela
%A ROND車N
%A Jos谷 Baudilio
%A CUMANA-CAMPOS
%A Luis J
%J Acta Bot芍nica Venezuelica
%D 2007
%I Fundaci車n Instituto Bot芍nico de Venezuela Dr. Tob赤as Lasser
%X the critical evaluation of the plant material, based on the analysis of collected samples and of material preserved in the most important herbaria of the country, represents the first revision of the genus helicteres l. for venezuela. this allowed to determine seven species, with helicteres vallsii crist車bal reported for the first time for venezuela. the species of this genus are generally located in deciduous forests. helicteres baruensis jacq. and helicteres guazumifoliakunth are the species with the widest distribution, being located from the center-west to the eastern states of the country. in the taxonomic treatment, the sections, accompanied by keys, descriptions and illustrations, are indicated with details of flowers, fruits and seeds, and information of use, habitat and phenology of the species h. baruensis jacq., h. brevispira a.st.-hil., h. carthagenensis jacq., h. guazumifolia kunth, h. heptandra l.b.sm., h. pentandra l. and h. vallsii crist車bal. the location, type and forms of extrafloral nectaries, bracts, stamens number and fruit form, are determinant characters to identify sections and species of the genus
%K helicteres
%K sterculiaceae
%K taxonomy
%K venezuela.
%U http://www.scielo.org.ve/scielo.php?script=sci_abstract&pid=S0084-59062007000100005&lng=en&nrm=iso&tlng=en