Hydrochorea
Encyclopedia
Hydrochorea is a legume genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 in the subfamily Mimosoideae
Mimosoideae
Mimosoideae is a subfamily of the flowering plant family Fabaceae characterized by flowers with small petals and numerous prominent stamens...

. It contains a mere 3 species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 at present:
  • Hydrochorea corymbosa (Rich.) Barneby & J.W.Grimes
  • Hydrochorea gonggrijpii (Kleinhoonte) Barneby & J.W.Grimes
  • Hydrochorea marginata (Benth.) Barneby & J.W.Grimes


Hydrochorea acreana is provisionally placed in Abarema
Abarema
Abarema is a neotropical genus of large trees in the legume family . They grow from Mexico to Bolivia. Most of the species can be found in the Amazon Basin and the Guyana Highlands. They have a deep-green fernlike foliage, with bipinnately compound leaves...

, as Abarema acreana
Abarema acreana
Abarema acreana is a tree species in the legume family . It is a rather mysterious plant and may be endemic to Brazil. Fruiting trees apparently have never been found, and thus it is not clear whether this plant belongs into the genus Abarema, or in Hydrochorea, or elsewhere.-References: : ....

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