Re: Gul Khan , Gul Bibi
That’s another one as well. 
Yes, there are loads of plant related names as well, such as:
Sadin سادين (desert plants)
Badam بادام (almond)
Sanobar سنوبر (a specific type of a tree)
Chinar چنار (a type of tree)
Shamshad شمشاد (a specific type of tree, I believe it’s called a “box tree” in English)
Apana آپانه (almond)
Zaituna زېتونه (olive)
Narenja نارنجه (orange, as in the fruit not the colour)
Khatol خاټول (golden poppy)
Sanga څانګه (tree branch)
Panra پاڼه (leaf)
Shanzai شانزئ (tree of paradise)