Mimosoideae | EPFL Graph Search

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The Mimosoideae are a traditional subfamily of trees, herbs, lianas, and shrubs in the pea family (Fabaceae) that mostly grow in tropical and subtropical climates. They are typically characterized by having radially symmetric flowers, with petals that are twice divided (valvate) in bud and with numerous showy, prominent stamens. Recent work on phylogenetic relationships has found that the Mimosoideae form a clade nested with subfamily Caesalpinioideae and the most recent classification by The Legume Phylogeny Working Group refer to them as the Mimosoid clade within subfamily Caesalpinioideae. The group includes about 40 genera and 2,500 species. Some classification systems, for example the Cronquist system, treat the Fabaceae in a narrow sense, raising the Mimisoideae to the rank of family as Mimosaceae. The Angiosperm Phylogeny Group treats Fabaceae in the broad sense. The Mimosoideae were historically subdivided into four tribes (Acacieae, Ingeae, Mimoseae, and Mimozygantheae). However, modern molecular phylogenetics has shown that these groupings were artificial. Several informal subgroups have been proposed, but not yet described formally as tribes. Additionally, the genus Acacia was recently segregated into five genera (Acacia sensu stricto, Acaciella, Mariosousa, Senegalia, and Vachellia). Adenanthera group Adenanthera L. Amblygonocarpus Harms Calpocalyx Harms Pseudoprosopis Harms Tetrapleura Benth. Xylia Benth. Entada group Elephantorrhiza Benth. Entada Adans. Piptadeniastrum Brenan Newtonia group Fillaeopsis Harms Indopiptadenia Brenan Lemurodendron Villiers & P. Guinet Newtonia Baill. Prosopis group Prosopis L. Xerocladia Harv. Mimozyganthus group Mimozyganthus Burkart Piptadeniopsis Burkart Prosopidastrum Burkart Leucaena group Desmanthus Willd. Kanaloa Lorence & K.R.Wood Leucaena Benth. Schleinitzia Warb. ex Nevling & Niezgoda Dichrostachys group Alantsilodendron Villiers Calliandropsis H.M.Hern. & P.Guinet Dichrostachys (DC.) Wight & Arn. Gagnebina Neck. ex DC. Unassigned Aubrevillea Pellegr.

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Related concepts (4)

Fabaceae

The Fabaceae (fə'beɪsi.iː,_-ˌaɪ) or Leguminosae, commonly known as the legume, pea, or bean family, are a large and agriculturally important family of flowering plants. It includes trees, shrubs, and perennial or annual herbaceous plants, which are easily recognized by their fruit (legume) and their compound, stipulate leaves. The family is widely distributed, and is the third-largest land plant family in number of species, behind only the Orchidaceae and Asteraceae, with about 765 genera and nearly 20,000 known species.

Plant taxonomy

Plant taxonomy is the science that finds, identifies, describes, classifies, and names plants. It is one of the main branches of taxonomy (the science that finds, describes, classifies, and names living things). Plant taxonomy is closely allied to plant systematics, and there is no sharp boundary between the two. In practice, "plant systematics" involves relationships between plants and their evolution, especially at the higher levels, whereas "plant taxonomy" deals with the actual handling of plant specimens.

Acacia

Acacia, commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus name is Neo-Latin, borrowed from the Greek ἀκακία (akakia), a term used by Dioscorides for a preparation extracted from the leaves and fruit pods of Vachellia nilotica, the original type of the genus. In his Pinax (1623), Gaspard Bauhin mentioned the Greek ἀκακία from Dioscorides as the origin of the Latin name.