An achene is a type of fruit with a hard outer shell and a single seed inside. Pears are a type of fruit that are round and have a juicy flesh. Melons are a type of fruit that have a thick rind and a sweet, juicy flesh. Uglis are a type of CITRUS fruit that have a bumpy, yellow-green skin and a tart flavor. CITRUS fruits are a type of fruit that have a sour or acidic taste and are usually round or oval in shape. Apricots are a type of fruit that have a soft, fuzzy skin and a sweet, tangy flavor.