Thespesia populnea is a salt tolerant plant of family malvaceae. This plant has great medicinal value and is a potential source of oil. This book provides an account on growth performance of Thespesia populnea, under saline conditions. Allometric relationships are investigated among some important morphological and reproductive parameters of the plant. Quantitative as well as qualitative estimation of seed oil are done in Thespesia populnea trees growing under variously saline conditions. Information given in this book provides interesting knowledge for students working for agriculture and afforestation under arid and saline conditions.