alliaceae allium allium fistulosum bunch bunching onions bundle cultivars edible escallion green onion green shallots greens mild moist onion onion sticks raw Roots salad onions salad vegetable scallions soup vegetable spring onions stir fry vegetable tangle vegetable washed water welsh onion wet white allium-fistulosum bunching-onions green-onion green-shallots onion-sticks salad-onions salad-vegetable soup-vegetable spring-onions stir-fry-vegetable welsh-onion