lon·gan 
(lŏnggən, lông-)
(lŏnggən, lông-)n.
1. An evergreen tree (Dimocarpus longan) native to China, having small yellowish-brown fruits with juicy white edible flesh.
2. The fruit of this plant.
[New Latin longan, specific epithet, from Mandarin lóng yǎn, from Middle Chinese lywŋ ŋjaːn´ (literally, dragon eye, from the appearance of the fruit's white pulp around the single large dark seed ) : lywŋ, dragon + ŋjaːn´, eye.]
longanDimocarpus longan