Shiitake specific epithet "" is the Latin word for "edible". It is also commonly called "sawtooth oak mushroom", "black forest mushroom", "black mushroom", "golden oak mushroom", or "oakwood mushroom". Shiitake grow in groups on the decaying wood of deciduous trees, particularly shii, chestnut, oak, maple, beech, sweetgum, poplar, hornbeam, ironwood, mulberry, and chinquapin ("Castanopsis" spp.). Its natural distribution includes warm and moist climates in southeast Asia. The earliest written record of shiitake cultivation is seen in the "Records of Longquan County" () compiled by He Zhan () in 1209 during the Southern Song dynasty. The 185-word description of shiitake cultivation from
What Is Love? (EP) Korean album in April. On March 25, the agency announced that Twice would release their fifth EP titled "What Is Love?" on April 9. The first group image teaser was uploaded online the next day. The EP was released as a digital download on various music sites on April 9 while the physical album was released the following day. "Stuck", which was initially a "CD-only" track on the physical album, was released digitally on April 30. Credits adapted from album liner notes. What Is Love? (EP) What Is Love? (stylized as What is Love?) is the fifth extended play (EP)