Leguminosae is one of two scientific names allowed for a plant family of close to twenty thousands species. The other name, allowed by Art 18.6 of the ICBN, is Fabaceae. The International Code of Botanical Nomenclature is the set of rules according to which plants are given their formal botanical names (scientific names). ... Subfamilies Faboideae Caesalpinioideae Mimosoideae References GRIN-CA 2002-09-01 The name Fabaceae belongs to either of two families, depending on viewpoint. ...
The family Leguminosae is traditionally subdivided into three units which are regarded by some as deserving family status. The largest of these is called Papilionaceae as a family (with Fabaceae allowed by Art 18.6 as alternative). As a subfamily it is called either Papilionoideae or Faboideae (Art 19.7).
Thus, Fabaceae will refer to either of two families, which are quite different in size. The world at large uses Leguminosae for the bigger of these families, but in the US it is preferred to use Fabaceae. In Australia also, Fabaceae is popular but refers to the smaller family.
LEGUMINOSAE, the second largest family of seed-plants, containing about 430 genera with 7000 species.
Leguminosae is a cosmopolitan order, and often affords a.
Mimosoideae and Caesalpinioideae are richly developed in the tropical rain forests,, where Papilion atae are less conspicuous and mostly herbaceous; in subtropical forests arborescent forms of all three suborders occur.
Recently, the international panel of botanists who rule on these things decided that all plant families ought to have the same ending (-aceae), and be named after a plant typical of the family.
This has resulted in several groups which were previously sub-families of the Leguminosae being elevated to family status.
The differences which separate the members of these new families may be unidentifiable to the non-botanist, and the similarities which they share as members of the Leguminosae family are still the easiest way to identify these plants.
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