This woody central part of a tree trunk consists of sapwood & heartwood
anlam - Sesli Szlk [PAR] the area next to the pith, which is composed of deal cells and serves as ... from 
the sapwood: {i} duramen: the older inactive central wood of a tree or woody 
plant; ... or the growing outer portion by its dark color: The central portion of a tree 
trunk... [DOC] [TLE] Tree Lab Vocab.docx [PAR] simple leaves: A leaf that is not divided into parts.