__ vera (skin-soothing plant) (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
aloe
(Other definitions for aloe that I've seen before include ". . . . vera, soothing plant" , "O, ale with bitter plant" , "Bitter fruit" , "Succulent plant (4) 5532" , "Plant source of purgative drug" .)