Family: Rhamnaceae
The Buckthorn Family
Taxonomic Position (according to Cronquist)
Kingdom : Plantae
Division : Magnoliophyta
Class : Magnoliopsida
Subclass : Rosidae
Order : Rhamnales
Family : Rhamnaceae
It is widely distributed in the drier part of tropical Africa and Asia. In Bangladesh and India the family is found throughout the country.
Botanical Description of the Family
Habit: Tree or shrub
Root: Tap root system
Stem: Thorny
Leaf: Simple, alternate, sometimes opposite
Inflorescence: Terminal or axillary cyme
Flower: Complete, bisexual or rarely unisexual
Calyx: Sepal 4-5, lobed triangular
Corolla: Petal 4-5, concave or hooded
Androecium: Stamen 4-5
Gynoecium: Carpel 2-3, syncarpous, ovary superior
Fruit: Drupe
Table 1. Economically important plant species of this family
Serial Number | Bangla name | English name | Scientific Name | Usefulness |
1 | Jangli-kul | Jagged jujube | Ziziphus trinervia Roxb. | Fruit is used as sour fruit |
2 | Kul, Boroi | Indian jujube | Rhamnus jujube L. | Dessert
|
3 | Saikul | Green palm | Z. oenoplia (L.) Mill | Medicinal
|
4 | Jangli Boroi | Not known | Z. rugose Lamk | Edible fruit
|