Sahih Muslim 1026
The Book of Prayers
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ زِيَادِ بْنِ عِلاَقَةَ، عَنْ عَمِّهِ، أَنَّهُ صَلَّى مَعَ النَّبِيِّ صلى الله عليه وسلم الصُّبْحَ فَقَرَأَ فِي أَوَّلِ رَكْعَةٍ { وَالنَّخْلَ بَاسِقَاتٍ لَهَا طَلْعٌ نَضِيدٌ} وَرُبَّمَا قَالَ { ق} .
Ziyad b. 'Ilaqa reported it on the authority of his uncle that he said the morning prayer with the Messenger of Allah (ﷺ) and he recited in the first rak'ah:"And the tall palm trees having flower spikes piled one above another (l. 10) or perhaps Surah Qaf
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.