''Sweetia fruticosa'' is a species of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s in the
legume
A legume () is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. When used as a dry grain, the seed is also called a pulse. Legumes are grown agriculturally, primarily for human consumption, for livestock f ...
family,
and is the only member of the genus ''Sweetia'' (though some sources also include ''Sweetia atrata''
Mohlenbr.). It belongs to the subfamily
Faboideae
The Faboideae are a subfamily of the flowering plant family Fabaceae or Leguminosae. An acceptable alternative name for the subfamily is Papilionoideae, or Papilionaceae when this group of plants is treated as a family.
This subfamily is wide ...
. It was traditionally assigned to the tribe
Sophoreae
The tribe Sophoreae is one of the subdivisions of the plant family Fabaceae. Traditionally this tribe has been used as a wastebasket taxon to accommodate genera of Faboideae which exhibit actinomorphic, rather than zygomorphic floral symmetry and ...
, mainly on the basis of flower morphology;
recent
molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
analyses
assigned ''Sweetia fruticosa'' into an informal, monophyletic clade called the "
vataireoids
The vataireoids are an early-branching monophyletic clade of the flowering plant subfamily Faboideae (or Papilionaceae) that are mostly found in northern South America, primarily Brazil.
Description
This clade is composed of four genera, two of ...
".
References
Faboideae
Monotypic Fabaceae genera
{{Faboideae-stub