14a South African plant strap shaped leaves orange flowers C-I-I- (7) 23a In heraldry consisting of a borderline of of small convex curves -N-E---D (8) 24d A Chinese secret society ,often involved in drug trafficking --I-S (5)
Thanks to you all.
Re 24d yes I think the s is correct. I had considered triad but this I think is a generalisation for chinese gangs wheras my understanding of the clue was for a specific 'gang'? As always I could be wrong!!