Citrus depressa
 Citrus depressa (Citrus × depressa formerly C. pectinifera Okinawan シークヮーサー or シークァーサー shiikwaasaa Japanese ヒラミレモン hirami remon) in English sometimes called Taiwan tangerine flat lemon hirami lemon or thin-skinned flat lemon is a small green citrus fruit rich in flavonoids and native to Taiwan and Okinawa Japan.