"............ I think they are called both,aren't they? I know it has
beautifuyl pink flowers and fern like leaves that close upon touching the
leaves. ............"

I wonder if this is what you are thinking about
http://www.comfsm.fm/~dleeling/angio/mimosa.html
Rather than
http://seeds.thompson-morgan.com/uk/en/product/4026/1

--
David Hill
Abacus nurseries
www.abacus-nurseries.co.uk