The common penis houseplant is the peace lily. Now you will phallically associate it forever. You're welcome.
The peace lily's also produce mind altering pollen that is often used on captives. Air filtration systems are required for anyone with prolonged exposure. Vultures are modeled after the plague doctors for this reason.
So... are the researchers here not wearing any pants?
Yes. There are no pants here.
Why you ask?
Part of their job is to train the women into being sex slaves to both men and women.