meadow
Deeply Rooted
That could be. It was one that I was considering for hummingbirds, and decided against growing it because our family commonly nibbles in the garden and this plant is highly toxic when eaten raw. I really think it is runner beans though.i wonder if you are thinking of hyacinth beans?
eta: I should say that it isn't that I'm remembering runner beans exactly, it is that I am remembering a firm 'rule' (which is that runner beans are highly toxic). But I don't remember how I came to have that rule.