Rhododendron schlippenbachii
Encyclopedia
Rhododendron schlippenbachii (Royal Azalea) is a species of Rhododendron
Rhododendron
Rhododendron is a genus of over 1 000 species of woody plants in the heath family, most with showy flowers...

native to the Korean Peninsula
Korean Peninsula
The Korean Peninsula is a peninsula in East Asia. It extends southwards for about 684 miles from continental Asia into the Pacific Ocean and is surrounded by the Sea of Japan to the south, and the Yellow Sea to the west, the Korea Strait connecting the first two bodies of water.Until the end of...

 and adjacent regions of Manchuria
Manchuria
Manchuria is a historical name given to a large geographic region in northeast Asia. Depending on the definition of its extent, Manchuria usually falls entirely within the People's Republic of China, or is sometimes divided between China and Russia. The region is commonly referred to as Northeast...

 (Liaoning
Liaoning
' is a province of the People's Republic of China, located in the northeast of the country. Its one-character abbreviation is "辽" , a name taken from the Liao River that flows through the province. "Níng" means "peace"...

, Nei Mongol), Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, and the Russian Far East
Russian Far East
Russian Far East is a term that refers to the Russian part of the Far East, i.e., extreme east parts of Russia, between Lake Baikal in Eastern Siberia and the Pacific Ocean...

. It is the dominant understory shrub in many Korean hillside forests, growing at 400-1500 m altitude.

It is a dense deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 growing to 4.5 m in height, but more commonly 1-2 m tall. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are obovate, 4.5-7.5 cm long and 2.5-4.5 cm broad, with scattered glandular hairs. The flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s are white to pink, often with small red spots on the upper three petals; they are produced in late spring to early summer.

The scientific name schlippenbachii is derived from Baron von Schlippenbach, a Russian officer who collected the species in 1854.

Cultivation and symbolism

In Korea, it is called cheoljjuk (철쭉) and if the color of the petals is white, the flower is called huincheoljjuk (흰철쭉). The Royal Azalea is commonly chosen as a local symbol in South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

, by cities and counties such as Gapyeong and Miryang
Miryang
Miryang, often spelled Milyang, is a city in Gyeongsangnam-do Province, South Korea. Neighboring cities include Changnyeong to the west, Cheongdo to the north, Ulsan to the east, and Yangsan, Gimhae, and Changwon to the south. The city bird is the Korean magpie, the city tree is the pine, and the...

.

It is widely cultivated in other parts of the world; some cultivar
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

s bear white flowers.
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