They are clearly a cultivar of capsicum annuum, the common chili pepper. Apaches are a dwarf variety, good in pots and small gardens. There are two recognized varieties of Apache, apparently. Sometimes the fruit is yellow and can be eaten green like a serrano or jalapeño. Plants do not grow; only about 18 inches tall. They don't grow fast either, though they will eventually produce flavorful peppers an inch long (or a little longer). (Get the conditions and watering right and you can have chili peppers year-round, from a pot in your kitchen.