1. Formal Upright---Tree has a straight tapering trunk and usually a conial shape----Celtis Oxalis.
2. Informal Upright--Tree has well balanced curve with top slightly tilted----Ficus Retusa.
3. On the Rock--- Tree's roots take shape on a rock and grip it for stability--Ficus long island.
4. Multiple trunk-- Two or more trees of different sizes & thickness grow from same root system--Clump.
5. Bunjin--Based on the style often seen in chinese paintings---Tamarind.