A Taxonomic Treatment of Rogiera (Guettardeae, Rubiaceae)
Por:
Torres-Montufar, Alejandro, Flores-Olvera, Hilda, OCHOTERENA, HELGA
Publicada:
1 ene 2021
Resumen:
Rogiera (Guettardeae, Rubiaceae) is a Neotropical genus distributed from
Mexico to northern South America that includes shrubs, treelets, or
trees, which were previously treated in the taxonomically controversial
and confused Rondeletia complex. Rogiera can be recognized among other
Rubiaceae by the combination of multiflowered inflorescences,
heterostylous flowers, quincuncial corolla aestivation, a hairy ring at
the corolla mouth, and capsular fruits with loculicidal dehiscence.
Despite the recent taxonomic circumscription of Rogiera there is not a
comprehensive taxonomic treatment to it. Moreover, regional floristic
treatments disagree on the species circumscriptions, with discrepancies
in the number of species of Rogiera from 11 to 20. Based on molecular
and morphological evidence studied on field and herbarium specimens, we
present a taxonomic revision of Rogiera. We recognize ten species;
Mexico is the center of diversity with nine species, four of them
endemic. An identification key, descriptions, distribution maps,
nomenclatural history, phenological data, and illustrations of all the
species in the genus are provided for the first time. Several names
required lecto- or epitypifications designated here.
Filiaciones:
Torres-Montufar, Alejandro:
Univ Nacl Autonoma Mexico FESC UNAM, Herbario FES Cuautitlan, Dept Ciencias Biol, Fac Estudios Super Cuautitlan, Carretera Cuautitlan Teoloyucan Km 2-5, San Sebastian Xhala 54714, Cuautitlan Izca, Mexico
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Tercer Circuito S-N,Ciudad Univ, Ciudad De Mexico 04510, Mexico
Flores-Olvera, Hilda:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Tercer Circuito S-N,Ciudad Univ, Ciudad De Mexico 04510, Mexico
OCHOTERENA, HELGA:
Univ Nacl Autonoma Mexico, Dept Bot, Inst Biol, Tercer Circuito S-N,Ciudad Univ, Ciudad De Mexico 04510, Mexico
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