It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "The wide-eyed maidens of Paradise (al-hur al-'in) were created from saffron."
These two hadiths are narrated from Layth only with this chain; Ali bin al-Hasan bin Harun al-Ansari is alone in narrating them.
Hadith Referenceالمعجم الأوسط / باب الألف / 288
Hadith Takhrij«أخرجه الطبراني فى «الكبير» برقم: 7813»