The pencil cactus (Euphorbia tirucalli) is an interesting shrub with succulent foliage, native to semi-arid tropical climates. It can grow a lot in nature. Mature plants have thick brown branches with clusters of smaller green branches at their ends, which are cylindrical in shape and the thickness of a pencil (hence the plant's common name). On the branches, there are oval leaves that reach 2.5 centimeters long. Also, in late spring and early summer, small flowers appear at the ends of...
