Rhododendron 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 native to eastern Asia and the Himalayan region, but smaller numbers occur elsewhere in Asia, and in North America, Europe and Australia.
Logan Botanic Garden is a botanical garden near Port Logan on the Rhins of Galloway, at the south-western tip of Scotland. It is operated as part of the Royal Botanic Garden Edinburgh's Living Collection.
The Hong Kong Zoological and Botanical Gardens(HKZBG) is one of the oldest zoological and botanical centres in the world, and the oldest park in Hong Kong. Founded in 1864, its first stage was opened to the public in 1871. It occupies an area of 5.6 hectares (14 acres) in Central, on the northern slope of Victoria Peak.
The Birmingham Botanical Gardens are a 15-acre (6-hectare) botanical garden situated in Edgbaston, Birmingham, England. The gardens are located 1+1⁄2 miles (2.4 km) south-west of Birmingham city centre at grid reference SP049854. Designed in 1829, the gardens are Grade II* listed in Historic Englands's Register of Parks and Gardens, and retain many original features and layout, which was designed by the landscape gardener and horticulturalist John Claudius Loudon. The site is notable for its range of glasshouses and gardens, which display a wide variety of plants and birds. Birmingham Botanical Gardens is managed by Birmingham Botanical and Horticultural Society, a registered charity. The gardens are open daily to the public with paid admission.
The Mobile Botanical Gardens were founded in 1974, and are located on Museum Drive in the Spring Hill community in Mobile, Alabama, United States.
Crystal Springs Rhododendron Garden is a botanical garden located between Reed College and the Eastmoreland Golf Course in southeastern Portland in the U.S. state of Oregon.
Alfred Rehder was a German-American botanical taxonomist and dendrologist who worked at the Arnold Arboretum of Harvard University. He is generally regarded as the foremost dendrologist of his generation.
Ernest Henry "Chinese" Wilson, better known as E. H. Wilson, was a notable British plant collector and explorer who introduced a large range of about 2,000 Asian plant species to the West; some sixty bear his name.
The State Botanical Garden of Georgia is a botanical garden of 313 acres in the United States, with a conservatory operated by the University of Georgia. It is located at 2450 South Milledge Avenue, Athens, Georgia.
Rhododendron luteum, the yellow azalea or honeysuckle azalea, is a species of flowering plant in the heath family Ericaceae, native to southeastern Europe and southwest Asia. In Europe, it occurs from southern Poland and Austria, south through the Balkans, and east to southern Russia; and in Asia, east to the Caucasus.
The Norfolk Botanical Garden is a botanical garden with arboretum located at 6700 Azalea Garden Road, Norfolk, Virginia.
Caloptilia azaleella is a moth of the family Gracillariidae. It is endemic to Japan, but has been introduced worldwide, wherever there are Azaleas.
The Jardin botanique de Gondremer is a private botanical garden with national collections of rhododendrons and azaleas, kalmia, heathers, and Japanese maples, classified as a Jardin Remarquable by the French ministry of culture. It is located several kilometers east of Autrey and Housseras, Vosges, Grand Est, France, and open at specific periods suitable for the collections; an admission fee is charged.
The Rhododendron-Park Bremen, also known as the Rhododendron-Park und Botanischer Garten Bremen, is the biggist collection of rhododendrons and azaleas worldwide, as well as a substantial botanical garden, located in Bremen, Germany. It is open daily; park admission is free but a fee is charged for the nature center Botanika.
Rhododendron section Tsutsusi was a subgenus of the genus Rhododendron, commonly referred to as the evergreen azaleas. In 2005 it was reduced to a section of subgenus Azaleastrum. Containing 80 - 117 species, it includes both deciduous and evergreen types and is distributed in Japan, China and northeastern Asia. They are of high cultural importance to the Japanese. Among the species in this genus lie the largest flowering azaleas.
Rhododendron mucronulatum, the Korean rhododendron or Korean rosebay, is a rhododendron species native to Korea, Mongolia, Russia, and parts of northern China. It is a deciduous shrub that grows to 1–2 m (3.3–6.6 ft) in height, with elliptic or elliptic-lanceolate leaves, 3–7 cm long by 1–3.5 cm wide. The reddish-purple flowers appear in late winter or early spring, often on the bare branches before the foliage unfurls. It inhabits forested regions at 1,600–2,300 m (5,200–7,500 ft).
Rhododendron subgenus Azaleastrum is a subgenus of the genus Rhododendron.
Rhododendron kiusianum, the Kyushu azalea, is a species of flowering plant in the family Ericaceae, native to Kyushu, Japan. It is a parent of a large number of hybrid dwarf azaleas. It is the official flower of Unzen, Nagasaki, and of Kagoshima Prefecture.
Camellia azalea, native to the Ehuangzhang Provincial Nature Reserve in Yangchun City, Guangdong, China, is a national first-class protected plant in China. The Chinese name of Camellia azalea is 杜鹃叶山茶/Rhododendron leaf camellia, because of its rhododendron-like leaf shape. Compared with other camellia species, the flower of Camellia azalea is more like Rhododendron, so it is commonly known as 杜鹃红山茶/Rhododendron red camellia. It is also commonly known as 四季紅山茶/Four Seasons Red Camellia or 四季茶花/Four Seasons Camellia, because it can flower throughout the year, July-September is the most prosperous period of flowering, which is different from the habit of Camellia flowering in winter.
Rhododendron yedoense, the Korean azalea, is a species of flowering plant in the family Ericaceae, with a disjunct distribution in northern Myanmar, Yunnan province in China, South Korea, and northern Kyushu island of Japan. Hardy in USDA zones 4 through 9, it is recommended as a hedge, and has above average resistance to the root rot that often afflicts azaleas. Rhododendron yedoense f. poukhanense is a major parental contributor to many modern hybrid azaleas.
