Gladiolus gracilis
arnold140@verizon.net (Sat, 26 Jan 2013 20:09:25 PST)

Gastil:

I looked at the picture of G. recrvus in Gladiolus of Southern Africa by Goldblatt & Manning and it looks close. It describes it as having a "strong sweet cloying scent".

So Angelo give it a sniff.

Arnold