وَجَنَّـٰتٍ أَلْفَافًا
Sentence structure
This phrase continues the objects brought forth by the water. وَجَنَّـٰتٍ is coordinated with حَبًّا وَنَبَاتًا in the preceding ayah, and أَلْفَافًا describes the gardens as dense and intertwined.
وَجَنَّـٰتٍ — and gardens
Grammar: وَ is a conjunction. جَنَّـٰتٍ is an indefinite sound feminine plural, coordinated as an object of نُخْرِجَ. It is accusative, with kasrah serving as the accusative marker for a sound feminine plural.
أَلْفَافًا — dense and intertwined
Grammar: An indefinite feminine-plural adjective in the accusative, describing جَنَّـٰتٍ.