rhytidome

rhytidome

1. 1.If new cork cambia arise every few years, as in most species of woody plants, then the bark includes dead phloem and cortex as well as cork, and is termed rhytidome.

如在榉木或橡木中，相同的木栓形成层年复一年的活动，那么树皮是光滑的，并且仅形成韧皮部的外方组织，主要是木栓（软木）。

2. fibrous rhytidome

纤维状落皮层

3. 7.If new cork cambia arise every few years, as in most species of woody plants, then the bark includes dead phloem and cortex as well as cork, and is termed rhytidome.

若新的木栓形成层年年都有所加厚，像在多数的木本植物中，树皮就包括死去的韧皮部，皮层以及木栓（软木），这些部分共同构成落皮层。