amaranthaceae Amaranthus autumn England english fall flowers garden Great Britain nature red abstract appearance background color coloration colored colors colour coloured colours cooked cooking diet dietary edible fiber fibre food health healthy iron Popeye-food roughage sloppy soft spinach spinacia-oleracea strength surface surfaced surfaces texture textured textures vegetable vitamins annual-plant baby-spinach bitter flavor flavour fresh herb leaf-vegetable leafy-green-vegetable leaves nutrients nutrition nutritious plant raw salad salad-green salad-vegetable tart vegetables wallpaper