In the caseof Taiwan, locatedin the"forestline "area abovethe plant, thenknown as theAlpineplants. Forestrefers to thenaturalboundaryconditions,the maximumlimit offorest distribution,sincethesecan not form aforest vegetation, mostlyshrubs,can beobservednearthe main peakof Yushantypicalforestboundaries Thesealpine plantsare mostlyendemic species, onlydistributed inTaiwan's high mountains.