抄録
Solanum indicum L. reveals variations both in phenotypic and karyotypic characters forming a complex. The variants are found in distinctly different localities which also enjoy different ecological conditions in South India. Among them, Type I from Castle Rock, Type III from Niligiri Hills and Type IV from low land plains and scrub forests are distinct with respect to their morphological and cytological characters. Type II and some populations belonging to Type I are also distinct, but they possess intermediate characters; they reveal cytological variations within their respective populations. All the four Types have 2n=24 chromosomes excepting for the presence of extra chromosomes in some populations.
