This member of the Anacardiaceae family was described by Joseph Nelson Rose in 1923. It is from south-western Mexico, where it grows in a well drained soil with some water and some sun. E-m@il.me, if you know more.
The genera name from Latin; como; 'put together' or 'arraned' and cladus; ' genus'. The species in honour of the botanist Dr. Edward Palmer. Another set of leaves by Kenia Velasco, Powo.science.kew.org. A large plant by Kenia Velasco, Powo.science.kew.org.