Family : Rubiaceae
Characteristic Features :
Habit : An ornamental evergreen shrub having branched tap root system.
Stem : Woody, solid, aerial, Erect, branched, cylindrical.
Leaves : Cauline, whorled, stipulate, petiolate, simple, ovate, entire, acute, unicostate reticulate venation.
Inflorescence : Polychasial cyme with each helicoid branch.
Flowers : Ebracteate, hermaphrodite, actinomorphic, pentamerous, epigynous,Calyx made up of sepals 5, gamosepalous,petaloid, reddish, valvate,Corolla made up of 5 petals, gamopetalous, twisted, large and tubular,Androecium made up of 5 stamens, polyandrous, epipetalous, dithecous, basifixed, introrse,Gynoecium composed of pentacarpellary, syncarpous, inferior pentalocular, axile placentation.
Fruit : 5-valved, loculicidal capsule
Seeds : Small, endospermic.
