''Rhododendron schlippenbachii'', the royal azalea, is a species of ''

Rhododendron ''Rhododendron'' (; from Ancient Greek ''rhódon'' "rose" and ''déndron'' "tree") is a very large genus of about 1,024 species of woody plants in the heath family (Ericaceae). They can be either evergreen or deciduous. Most species are nati ...

'' native to the

Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic ...

and adjacent regions of

Manchuria Manchuria is an exonym (derived from the endo demonym " Manchu") for a historical and geographic region in Northeast Asia encompassing the entirety of present-day Northeast China (Inner Manchuria) and parts of the Russian Far East (Outer M ...

(

Liaoning Liaoning () is a coastal province in Northeast China that is the smallest, southernmost, and most populous province in the region. With its capital at Shenyang, it is located on the northern shore of the Yellow Sea, and is the northernmo ...

Nei Mongol Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for a ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

, and the

Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admin ...

. It is the dominant understory shrub in many Korean hillside forests, growing at altitude. It is a dense

deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, ...

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from tree ...

growing to in height, but more commonly tall. The

leaves A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...

are obovate, long and broad, with scattered glandular hairs. The

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanis ...

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 Baron is a rank of nobility or title of honour, often hereditary, in various European countries, either current or historical. The female equivalent is baroness. Typically, the title denotes an aristocrat who ranks higher than a lord or ...

, 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, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

, by provinces, cities and counties such as Gangwon Province,

Gapyeong Gapyeong County is a county in Gyeonggi Province, South Korea. It was the scene of the Battle of Kapyong, a major battle of the Korean War. Administrative Region and Language Gapyeong County has one eup and five myeon, and its population is ...

and

Miryang Miryang (perhaps pronounced as Milbeol using Idu script), formerly also spelled as 推火郡 (probably pronounced as Milbeol or Miribeol using Idu script), Milbeol (密伐) and Milseong (密城), is a city in Gyeongsangnam-do Province, South Ko ...

. It is widely cultivated in many parts of the world; some

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...

s bear white flowers. The fruit is egg-shaped and oval, long, with glandular hair, which ripen in October. Azaleas are poisonous and can not be eaten.

References

Flora of China: ''Rhododendron schlippenbachii''
{{Taxonbar, from=Q843080 schlippenbachii Flora of Northeast Asia Flora of Korea Flora of Japan Flora of China Flora of Russia