indigo squill(n = noun.plant) camassia scilloides, wild hyacinth - eastern camas; eastern and central North America;
is a kind of camas, camash, camass, camosh, quamash
is a member of camassia, genus camassia, genus quamassia, quamassia

bastard indigo, blue false indigo, eastern indigo snake, false indigo, indigo, indigo bird, indigo broom, indigo bunting, indigo finch, indigo plant, indigo snake, sea squill, spring squill, squill, white false indigo, wild indigo