Acanthaceae
Acanthus . . . . Bear's-breech
Acanthus mollis . . . . Bear's-breech
Naturalised in a few places in S as garden throw-out
A. spinosus (Spiny Bear's-breech) is much less common and has hairy leaves with more spiny lobes
Thunbergia . . . . Black-eyed Susan
Thunbergia alata . . . . Black-eyed Susan
A garden escape that rarely persists
