“Pet poisonous” – Toxic parts: entire plant esp seeds Cycas segmentifida is a species of cycad endemic to southern China. It is found in primarily western Guangxi, as well as parts of neighboring southern Guizhou and eastern Yunnan. Cycas is the type genus and the only genus recognised in the family Cycadaceae. About 113 species are accepted.Cycas circinalis, a species endemic to India was the first cycad species to be described and was the type of the generic name, Cycas. The best-known Cycas species is Cycas revoluta.