Question: what are the unusual flowers?
Answer: #1. Monkey Face Orchid (Dracula simia) ... 
#2. Bat plant (Tacca integrifolia) ... 
#3. Moth Orchid (Phalaenopsis amabilis) ... 
#4. Corpse Flower (Rafflesia keithii) ... 
#5. Naked Man Orchid (Orchis italica) ... 
#6. Hooker's Lips (Psychotria elata) ... 
#7. Dancing Girls (Impatiens bequaertii) ... 
#8. Subterranean Plant (Hydnora africana)