(132) باب فِي الرَّجُلِ يُسْلِمُ فَيُؤْمَرُ بِالْغُسْلِ
Narrated Qays ibn Asim:
I came to the Prophet (ﷺ) with the intention of embracing Islam. He commanded me to take a bath with water (boiled with) the leaves of the lote-tree.
Reference: Sunan Abi Dawud 355
In-book reference: Book 1, Hadith 355
English translation: Book 1, Hadith 355