The Compendium of Caraka 8.10.35

8.10.35

parikarte tathā vṛntaiḥ śrīparṇīkovidārajaiḥ/
(deyo bastiḥ suvaidyaistu yathāvadviditakriyaiḥ&//)

Similarly in cutting pain [at the anus], an enema [prepared] with the stalks of śrīparṇī and kovidāra / (should be given by good physicians who know the proper procedures).