What is the name of the plant that Hina dye is prepared from?  
Hina (given name):  In South Asia and the Middle East, derived from Henna. Henna: Henna (Arabic: حِنَّاء‎ ‎ ) is a dye prepared from the plant "Lawsonia inermis", also known as hina, the henna tree, the mignonette tree, and the Egyptian privet, the sole species of the "Lawsonia" genus.
Lawsonia inermis