Mimosaceae

Taxonomic position of Mimosaceae family

Kingdom: Plantae
Division: Magnoliophyta
Class:Magnoliopsida

Subclass: Rosidae

Order: Fabales
Family:Mimosaceae

 

Identifying characters

 

Mostly tree showing xerophytic habit

Pulvinous leaf base

Cymose head inflorescence

Perigynous condition

Fused petals with valvate aestivation

Lomentum fruits

Non endospermic seed

Important plants with economic importance

 

 

English nameBangla nameBotanical nameEconomic Importance
BablaAcacia nilotica
KhoirAcacia catechu
AkashmoniAcacia moniliformis
ShirishAlbizzia procera
Sensitive plantMimosa pudica
GilaEntada scandens
Loha khathXylia xylocarpa
SirishAlbezzia lebbek
LuhakathXylia xylocarpa
Luhit khathAdenanthera pavonina


Differences between Caesalpinaceae, Mimosaceae and Fabacaeae


Serial NumberCharactersCaesalpinaceaeMimosaceaeFabacaeae 
1HabitGenerally shrub and treeGenerally treeGenerally herb
2LeavesUni/bi- pinnateBipinnate, stipules present or absentUsually unipinnate, trifoliate
3InflorescenceRacemeHeadRaceme
4FlowerzygomorphicactinomorphicPapilionaceous
5CalyxPolysepalous, sometimes gamosepalous, usually imbricateGamosepalous, usually valvateGamosepalous, imbricate
6CorollaPolypetalous, aestivation imbricateGamopetalous, aestivation valvatePolypetalous, aestivation vexillary
7AndroeciumStamen 10 or fewerOften many or 10Stamen 10 (9+1) diadelphous
8Floral formula
9Floral diagram 
10ExampleCaesalpinia pulcherrima, Delonis regiaAcacia nilotica, Albizzia lebbekArachis hypogeal, Lens culinaris