1: Biblical refugee, American flower (5)
2: Warning sound in audio of Jodie Foster movie (5)
3: Open present yonder (4,5)
4: You audibly ram partner (3)
5: Get into the archeology scene. (3)
9: In Howard's End - one has a passage here from Forster (5)
10: A heron regrets losing its wings (5)
11: Sister gets nothing, we hear (3)
12: Emergency room stocks one sensitive organ (3)