What is the name of the plant that Hina dye is prepared from?  
Lawsonia inermis
Title: Malachite green
Passage: Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture.  Malachite green is traditionally used as a dye for materials such as silk, leather, and paper.  Although called malachite green, this dye is not prepared from the mineral malachite—the name just comes from the similarity of color.
Title: Hina (given name)
Passage: Hina (Urdu: حنا‎ ) is a female name.  In South Asia and the Middle East, derived from Henna.  In Japan derived from light or sun.  In the Pacific Islands, derived from A goddess of various Polynesian cultures.
Title: Henna
Passage: 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.
Hina (given name) Henna