''Prunus serrula'', called birch bark cherry, birchbark cherry, paperbark cherry, or Tibetan cherry, is a species of

cherry A cherry is the fruit of many plants of the genus ''Prunus'', and is a fleshy drupe (stone fruit). Commercial cherries are obtained from cultivars of several species, such as the sweet ''Prunus avium'' and the sour ''Prunus cerasus''. The nam ...

native to

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

, and is used as an ornamental in many parts of the world for its striking coppery-red bark.

Description

''Prunus serrula'' is a small deciduous tree, often with multiple stems, reaching a height of . The leaves are arranged alternately, simple, 5–10 cm long and 1.5–2.0 cm broad and a serrate margin. The smooth bark is a brownish red, with prominent horizontal

lenticel A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants. It functions as a pore, providing a ...

s. The outer layer of the bark is remarkably tough, approaching the strength of

Mylar BoPET (biaxially-oriented polyethylene terephthalate) is a polyester film made from stretched polyethylene terephthalate (PET) and is used for its high tensile strength, chemical and dimensional stability, transparency, reflectivity, gas and aro ...

Flowers

The flowers, typical of ''Prunus'', are produced in clusters of one to three. The fruit is a small oval bright red

drupe In botany, a drupe (or stone fruit) is an indehiscent fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pit'', ''stone'', or '' pyrena'') of hardened endocarp with a seed (''kernel'') ...

Cultivation

''Prunus serrula'' is grown as an

ornamental tree Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...

, especially for winter interest. It tolerates a variety of soil types and has a wide pH range. It prefers full sun and does well in USDA

hardiness zones A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most wide ...

5 to 8. Its potential as an invasive species is low, as it is susceptible to many common garden diseases and pests such as

fire blight Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae. It is a serious concern to apple and pear producers. Under optimal conditions, it can destroy an entire orchard ...

powdery mildew Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Erysiphales. Powdery mildew is one of the easier plant diseases to identify, as ...

and

Japanese beetles The Japanese beetle (''Popillia japonica'') is a species of scarab beetle. The adult measures in length and in width, has iridescent copper-colored elytra and a green thorax and head. It is not very destructive in Japan (where it is control ...

. It is sometimes

grafted Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion () while the lower part is called the rootstock. The succ ...

to ''

Prunus serrulata ''Prunus serrulata'' or Japanese cherry is a species of cherry tree that grows naturally in Japan, China, and Korea, and it also refers to a cultivar produced from ''Prunus speciosa'' (Oshima cherry), a cherry tree endemic in Japan.Toshio Katsu ...

'' (Japanese cherry) crowns, forming a tree with red bark and showier flowers. In 2012 the 'Branklyn' variety gained the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nort ...

’s

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

References

External links

* {{Taxonbar, from1=Q164371, from2=Q15228481 serrula Cherries Trees of China Flora of Asia Ornamental trees