The subfamily Dialioideae is one of the subdivisions of the plant
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
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 for ...
s). This subfamily includes many tropical trees and shrubs. The subfamily consists of 17 genera, which are widespread throughout the
tropics
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also refer ...
. It has the following clade-based definition:
The most inclusive
crown clade
In phylogenetics, the crown group or crown assemblage is a collection of species composed of the living representatives of the collection, the most recent common ancestor of the collection, and all descendants of the most recent common ancestor. ...
Dialium guianense
''Dialium guianense'' is a species of tree in the flowering plant family Fabaceae. The species occurs through both Central America and South America, and was an important source of food and wood for the ancient Mayans.
Common names
In Engli ...
'' (Aubl.) Sandwith, but not ''
Cercis canadensis
''Cercis canadensis'', the eastern redbud, is a large deciduous shrub or small tree, native to eastern North America from southern Michigan south to central Mexico, east to New Jersey. Species thrive as far west as California and as far north as ...
Members of the family also share the following morphological characteristics: the presence of cymose
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are forme ...
s, the absence of vestured pits in the
xylem
Xylem is one of the two types of transport tissue in vascular plants, the other being phloem. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients. The word ''xylem'' is derived from ...
, and a high degree of organ loss.
Taxonomy
Dialioideae comprises the following genera:
* '' Androcalymma'' Dwyer
* ''
Apuleia
''Apuleia'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical trees ...
Dialium
''Dialium'' is a genus of flowering plants in the family Fabaceae
The Fabaceae or Leguminosae,Dicorynia'' Benth.
* '' Distemonanthus'' Benth.
* '' Eligmocarpus'' Capuron
* ''
Kalappia
''Kalappia'' is a genus of plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical trees and shru ...
'' Kosterm.
* ''
Koompassia
''Koompassia'' is a genus of legume in the family Fabaceae occurring in southeast Asia. It belongs to the subfamily Dialioideae. They are tall tropical rainforest trees; '' K. excelsa'' is one of the tallest tree species in the tropics.
The genu ...
'' Maingay ex Benth.
* ''
Labichea
''Labichea'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical tree ...
'' Gaudich. ex DC.
* ''
Martiodendron
''Martiodendron'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical ...
'' Gleason
* ''
Mendoravia
''Mendoravia'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical tr ...
'' Capuron
* ''
Petalostylis
''Petalostylis'' is a genus of flowering plants in the family Fabaceae, endemic to Australia. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily i ...
Storckiella
''Storckiella'' is a genus of four recognised species of trees, of the plant family Fabaceae. It belongs to the subfamily Dialioideae. They grow naturally in New Caledonia, Fiji and Australia.
Those four recognised species, and for one of the ...
'' Seem
* ''
Uittienia
''Uittienia'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Dialioideae
The subfamily Dialioideae is one of the subdivisions of the plant family Fabaceae (legumes). This subfamily includes many tropical tre ...