Oregano, both food and medicine, has an edible flower that looks and tastes great on your Marinara sauce.

Oregano leaf tea is antiseptic.  When Echinacea and other cold fighters are not available, go to the spice rack and make yourself some potent oregano tea.  Add one teaspoon of oregano and a teaspoon of thyme to ten ounces of hot water, steep and drink.   A squirt of lemon or lime juice adds to this brews potency. (More)