In article <D7pCHr.Mr3 at festival.ed.ac.uk> gavini at festival.ed.ac.uk (Gavin Inglis) writes:
>Apologies if this is an inappropriate place for this question; I can't
>find an FAQ and my knowledge of biology extends about as far as the
>difference between vertebrates and invertebrates.
>I'm writing a bit of fiction, and for a pivotal scene I'd like to include
>a black flower, probably with black petals and a green stalk. There is
>some significance in the combination of colours.
Check out the species of _Tacca_ (Taccaceae) in your flower picture books.
It includes species sold as tropical greenhouse plants, sometimes called the
"bat flower". The dark flowers (inflorescences, actually) can be pretty
sinister-looking, with broad (almost black) winglike bracts and other long
dangly streamer-like ones... (Not sure about the green stalk you desire, but
the leaves are green.