Prunus jamasakura

Branches of Cerasus jamasakura at Mount Obukuma Saga

Prunus jamasakura, commonly known as the Japanese mountain cherry or Yamazakura, is a species of cherry tree native to Japan and other parts of East Asia. It is a member of the Prunus genus, which includes all cherries, plums, peaches, nectarines, apricots, and almonds. Prunus jamasakura is celebrated for its aesthetic appeal and is a significant tree in Japanese culture and horticulture.

Description

Prunus jamasakura is a deciduous tree that can grow up to 10-15 meters in height. It has a broad crown and with age, the bark becomes dark and can peel off in horizontal strips. The leaves are oval-shaped, 5-13 cm long and 2.5-6.5 cm wide, with serrated margins. In spring, the tree produces simple, five-petaled flowers that are pale pink to white in color. These flowers are hermaphroditic, containing both male and female reproductive structures, and they bloom in clusters before the leaves emerge. The fruit of Prunus jamasakura is a small cherry, turning from green to red to black as it matures. It is not typically consumed by humans due to its small size and bitter taste.

Habitat and Distribution

Prunus jamasakura is widely distributed across Japan, from Hokkaido in the north to Kyushu in the south. It grows in a variety of habitats, including mountainous regions, forest edges, and along riverbanks. The species prefers sunny locations and well-drained soil. It is also found in parts of Korea and China, where it grows in similar conditions.

Cultural Significance

In Japan, Prunus jamasakura is highly regarded for its beauty and is often planted in parks, gardens, and along streets for ornamental purposes. The tree's flowering in spring is a symbol of renewal and the fleeting nature of life, themes that are central to Japanese aesthetics and philosophy. The cherry blossom, or sakura, season is celebrated across Japan with hanami parties, where people gather under the blooming trees for picnics and socializing. While the most famous cherry blossom tree in Japan is Prunus serrulata, or the Somei Yoshino, Prunus jamasakura also contributes to the country's cherry blossom displays with its mountainous blooms.

Conservation

Prunus jamasakura is not currently listed as an endangered species. However, like many native plants, it faces threats from habitat loss, invasive species, and climate change. Conservation efforts are focused on preserving its natural habitats and ensuring that this culturally significant tree continues to thrive in the wild.

See Also

• Cherry blossom
• Prunus serrulata
• Flora of Japan