genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
tree
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s up to 90 m tall in family
Irvingiaceae
Irvingiaceae is a family of flowering plants, consisting of 13 species in the 3 genera '' Allantospermum'', '' Irvingia'' and '' Klainedoxa''. ''Desbordesia'', formerly accepted is now included in ''Irvingia''.
The family is named for the Scott ...
. Formerly it has been included in families
Simaroubaceae
The Simaroubaceae are a small, mostly tropical, family in the order Sapindales. In recent decades, it has been subject to much taxonomic debate, with several small families being split off. A molecular phylogeny of the family was published in 200 ...
and
Ixonanthaceae
Ixonanthaceae is a pantropical flowering plant family of trees or shrubs, consisting of about 30 species in 3 or 4 genera. It is a broadleaf evergreen.
References
Malpighiales families
Pantropical flora
{{Malpighiales-stub ...
. It contains the following two species:
* ''
Allantospermum borneense
''Allantospermum borneense'' is a tree in the family Irvingiaceae. The specific epithet ' is from the Latin meaning "of Borneo".
Description
''Allantospermum borneense'' grows as a large tree up to tall with a trunk diameter of up to and large ...
'' -
Malesia
Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms, and also a phytogeographical floristic region in the Paleotropical Kingdom. It has been given different definitions. ...