Musnad Abu Ya'la al-Mawsili 3:160

Al-Qawariri narrated to us, Yahya bin Sa'id narrated to us, from Ibn 'Ajlan, Ibrahim bin 'Abdullah bin Hunayn narrated to me, from his father, from 'Ali, who said: The Messenger of Allah (may Allah bless him and grant him peace) forbade me from a gold ring, and from reciting [the Qur'an] while bowing and prostrating, and from wearing saffron-dyed garments.