Fabales


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Fabales

[fə′bā·lēz]
(botany)
An order of dicotyledonous plants whose members typically have stipulate, compound leaves, ten to many stamens which are often united by the filaments, and a single carpel which gives rise to a legume; many harbor symbiotic nitrogen-fixing bacteria in the roots.
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2005), among the 85 studied species, many of them do not develop this tissue, belonging to the orders Poales, Gunnerales, Saxifragales, Malpighiales, Fabales, Ericales, Lamiales and Asterales.
The plant belongs to the class Magnoliopsida (dicotyledons), subclass Rosidae order Fabales, family Fabaceae, genus Tephrosia Pers.
Myrtales, Geraniales, Fabales, and, to some extent, malvids are most conspicuous for monosymmetric flowers, with a peak of elaboration in Fabales.
Fabales are distinguished by large clades with elaborate monosymmetric flowers.
Despite its almost ubiquitous occurrence among angiosperms at order level, monosymmetry also shows special concentration in some suprafamilial clades: among rosids especially in Fabales of fabids and in malvids (Endress & Matthews, 2006), among asterids especially in Lamiales, Asterales and Dipsacales, and among monocots especially in commelinids.
The sister of the Leguminosae revealed phylogenetic relationships in the Fabales determined using trnL and rbcL sequences.
139] FABALES Fabaceae Acacia karroo Hayne [120] Albizia julibrissin Durazz.
In the Fabales stamens arise unidirectionally, and the abaxial part of the androecium is often "advanced" compared with the posterior part.
The diversity of stamen structures in 'lower' Rosidae (Rosales, Fabales, Proteales, Sapindales).
Abundant plant taxa included Moraceae, Malvales, Lecythidaceae, Sapotaceae, Fabales, and Apocynaceae.
The major morphological trend within the Fabales (also known as the Leguminosae) is from a woody habit in the mainly tropical species of the Mimosaceae and Caesalpiniaceae families to the predominantly herbaceous forms in the subtropical or temperate Fabaceae family (Papilionaceae) (Cronquist, 1988).