(Orostachys japonica)
Orostachys japonica also known as rock pine is a species of flowering plant in the family Crassulaceae.Native to East Asia. Its main habitat is on the surface of mountain rocks in Korea, Japan and China. Orostachys japonica is a biennial/perennial plant growing to 10 centimetres (3.9 in). It is in flower from September to October. The flowers are hermaphrodite.Because of its growing shape which resembles a pine tree's cone, and its habit of growing on mountain rocks, it is also called rock pine. It grows well in a sunny or semi-shaded(light woodland) location with a well-drained and moist soil that is low in nutrients. Its flowers bloom from September to October. The flowers are white and each flower has 5 conical petals. The flower lacks a peduncle. Its calyx is divided into 5 parts. When the flowers bloom and produce seeds, it dries out.