YY fruit should be Garcinia macrophylla (scientific name: Garcia Xanthochymus Hook. F. Ex T. Anders。 ), and his alias is crooked neck fruit. People may call it crooked fruit, because its alias is too long to remember, and YY is just its initials, which may make people think that this fruit is more advanced and attractive. Of course, this is just my idea. ) is a tree of Garcinia, with a height of 20 meters, grayish brown bark, flat branches, drooping apex, two rows of leaves, thick leathery and shiny, oval, oblong or oblong-lanceolate leaves, thick midvein, dense lateral veins and obvious reticulate veins. Petiole stout, horseshoe-shaped at the base, corymbose cymes, flowers, flowers bisexual, sepals and petals with eyelashes at the edge; Ovary is round, style is short, stigma is shield-shaped, berries are round or ovoid, yellow when mature, and seeds are covered with juicy gourd-shaped aril, smooth and brown. It blooms from March to May and bears fruit in August-165438+ 10.