Family: Rubiaceae
Family: Rubiaceae
Popular name: The Madder Family
Taxonomic Position According to Cronquist
| Kingdom | Plantae |
| Division | Magnoliophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Rubiaceae |
Botanical Description of the Family
Habit: Trees, shrub and sometime herb as well. Most plants of this family grow in the tropics, many of them as shrubs or trees.
Root: Tap root system
Stem: Branched, rarely with hooks or spines
Leaves: Opposite, sometimes verticillate, simple entire, stipulated
Inflorescence: Mostly terminal, sometime axillary, usually dichasial
Flower: Pentamerous, hermaphrodite, actinomorphic, rarely zygomorphic
Calyx: Adnate to the ovary
Corolla: Corolla campanulate, infundibular, silver shaped
Androecium: Number of stamens are equal to number of corolla lobed
Gynoecium: Pistil syncarpous
Fruit: Usually capsule, sometimes berry or drupe.
Seeds: seeds usually with copies endosperm, sometimes winged.
Table 1: Crop plants of Rubiaceae Family
| Sl. No. | Bangla name | English name | Scientific name | Usefulness |
| 1 | Coffee | Arabian Coffee | Coffea Arabica L. | Beverage |
| 2 | Gondhoraj | Gardenia | Gardenia augusta | Ornamental |
| 3 | Rangan phul | Flame of the woods | Ixora coccinea | Ornamental |
| 4 | Rangan | Not known | Ixora javanica | Ornamental |
| 5 | Kadam | Not known | Neolamarckia cadamba | Ornamental |
