525-527Senna uniflora (Mill.) Irwin & Barneby belonging to the family Caesalpiniaceae has been recorded for the first time from Mangrol and Laxmipura villages, 24km away in the South East of Chittorgarh, Rajasthan. The specimens were found growing along road sides intermingled with Senna tora (Linn.) Roxb. Morphological features, time of flowering-fruiting, ecological notes and key characters of this species have been reported in present paper