Caesalpinaceae
Taxonomic position of Caesalpinaceae family
Kingdom : Plantae
Division : Magnoliophyta
Class :Magnoliopsida
Subclass : Rosidae
Order : Fabales
Family : Caesalpinaceae
Identifying characters
- Mostly shrub and tree
- Pulvinous leaves
- Pinnately compound leaf
- Racemose or corymb inflorescence
- Placentation marginal
General Morphological Characteristics
Habit : Mostly shrub or tree
Root: Tap root system
Stem: Round or climbing
Leaves: Compound, stipulate, pinnately or bipinnately compound. Leaf base is
Important plants with economic importance
| English name | Bangla name | Botanical name | Economic Importance |
| Krishnachura | Delnix regia | Ornamental | |
| Rhadhachura | Caesalpinia pulcherrima | Ornamental | |
| Ashok | Saraca asoka | Medicine | |
| Hematoxylin | Haematoxylon campechianum | Dye | |
| Kalkasunda | Cassia sophera | ||
| Badarlathi | Cassia fistula | ||
| Temarinds | Tetul | Temarindus indica | Fruit, timber |
| Kalkusnda | Cassia sophera | ||
| Bador lathi | Cassia fistula | ||
| Sada kanchon | Bauhinia vaiegata | ||
| Natai | Caesalpinia crisia | ||
| Dadmarjun | Cassia alata | ||
| Bakam | Caesalpinia sappan | ||
| Anjan | Hardwickia binata | ||
| Kanchon | Bauhnia purpurea |
Differences between Caesalpinaceae, Mimosaceae and Fabacaeae
| Serial Number | Characters | Caesalpinaceae | Mimosaceae | Fabacaeae
|
| 1 | Habit | Generally shrub and tree | Generally tree | Generally herb |
| 2 | Leaves | Uni/bi- pinnate | Bipinnate, stipules present or absent | Usually unipinnate, trifoliate |
| 3 | Inflorescence | Raceme | Head | Raceme |
| 4 | Flower | zygomorphic | actinomorphic | Papilionaceous |
| 5 | Calyx | Polysepalous, sometimes gamosepalous, usually imbricate | Gamosepalous, usually valvate | Gamosepalous, imbricate |
| 6 | Corolla | Polypetalous, aestivation imbricate | Gamopetalous, aestivation valvate | Polypetalous, aestivation vexillary |
| 7 | Androecium | Stamen 10 or fewer | Often many or 10 | Stamen 10 (9+1) diadelphous |
| 8 | Floral formula | |||
| 9 | Floral diagram
| |||
| 10 | Example | Caesalpinia pulcherrima, Delonis regia | Acacia nilotica, Albizzia lebbek | Arachis hypogeal, Lens culinaris |