Sequia semervirens is a gymnspermic plant. It is a group of plants having thick, woody , branched stems. These plants also have some xeric adaptations which help them survive in adverse climatic conditions.
The order examples are incorrect because pteridophytes is primitive group, no trees is included in this. Ferms are included in Pteridophytes. Angiosperms are different from gymnosperms in seed habit and adaptations
