(Pachypodium sofiense)
Pachypodium rutenbergianum is a species of Pachypodium originated from and native to Madagascar. The plant can reach 3 to 8 m high, and its trunk up to 60 cm in diameter at base. The plant has short branches and 1-cm long spines. Leaves are green and 10 to 15 cm long, 4 cm wide. Its flowers are white Bergia is one of the two genera of plants composing the waterwort family, Elatinaceae. These are tropical to subtropical plants and sometimes aquatic in nature.