All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

The People's Action Party (PAP) held a rally for Pioneer SMC at Jurong West Stadium on Sunday (Apr 27). Speakers include Shawn Huang, Cassandra Lee, Hamid Razak, Ang Wei Neng, Patrick Tay, Teo ...