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. It is the national flower of Nepal, the state flower of Washington and West Virginia in the United States, the state flower of Nagaland in India, the provincial flower of Jiangxi in China and the state tree of Sikkim and Uttarakhand in India. Most species have brightly colored flowers which bloom from late winter through to early summer.
Azaleas are flowering shrubs in the genus Rhododendron, particularly the former sections Tsutsusi (evergreen) and Pentanthera (deciduous). Azaleas bloom in the spring, their flowers often lasting several weeks. Shade tolerant, they prefer living near or under trees. They are part of the family Ericaceae.
An arboretum is a botanical collection composed exclusively of trees of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, many modern arboreta are in botanical gardens as living collections of woody plants and is intended at least in part for scientific study.
The Hong Kong Zoological and Botanical Gardens 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, in Central, on the northern slope of Victoria Peak.
Washington Park is a public park in Seattle, Washington, United States, most of which is taken up by the Washington Park Arboretum, a joint project of the University of Washington, the Seattle Parks and Recreation, and the nonprofit Arboretum Foundation. Washington Park also includes a playfield and the Seattle Japanese Garden in its southwest corner. To the north is Union Bay; to the west are Montlake and Madison Valley; to the south is the Washington Park neighborhood; and to the east is the Broadmoor Golf Club.
The Edith J. Carrier Arboretum is an arboretum and botanical garden on the James Madison University campus, located in Harrisonburg, Virginia, United States in the Shenandoah Valley. Groundbreaking for the arboretum took place April, 1985, under direction of Dr. Norlyn Bodkin,[1] who is credited the first scientific botanical discovery along the Eastern Seaboard of Virginia since the 1940s, Trillium: Shenandoah Wake Robin, presently found at the arboretum[2]. The only arboretum located on the campus of a Virginia state university. Exhibits include a developed trail system through 125 acres (0.51 km2) of mature Oak-Hickory Forrest with two identified century specimens and a species on the U.S. Fish and Wildlife Threatened Species list protected at the arboretum: Betula uber, Round-Leaf Birch.[3]
The Donald E. Davis Arboretum, in Auburn, Alabama, United States, is a public native plants museum, and botanical arboretum with educational facilities, event spaces, and a conservation program. Its grounds, covering 13.5 acres of Auburn University's campus, include cataloged living collections of associated tree and plant communities representative of Alabama's ecosystems, among which is mixed oak forest, carnivorous bog, and longleaf pine savanna. The living collections include more than 1,000 plant types, including 500 different plant species, with over 3,000 cataloged specimens. The Arboretum contains over a mile (2 km) of interwoven walking trails that meander through various southeastern biotopes.
Planting Fields Arboretum State Historic Park, which includes the Coe Hall Historic House Museum, is an arboretum and state park covering over 400 acres (160 ha) located in the village of Upper Brookville in the town of Oyster Bay, New York.
Rutgers Gardens is the official botanical garden of Rutgers University, located on the outskirts of Rutgers School of Environmental and Biological Sciences, at 112 Ryders Lane, North Brunswick, New Jersey. The grounds include 60 acres of designed beds, specialty gardens, tree and shrub collections, lawns, and walking paths, and the adjoining 70-acre Frank G. Helyar Woods. The gardens are open year-round, without fee, and feature horticultural collections arranged in garden settings. In 2017 it was granted landmark status by the American Society for Horticultural Science.
The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron.
The city of Helsinki, the capital of Finland, can be divided into various sorts of subdivisions. Helsinki is divided into three major areas: Helsinki Downtown, North Helsinki and East Helsinki. The subdivisions include neighbourhoods, districts, major districts and postal code areas. The plethora of different official ways to divide the city is a source of some confusion to the inhabitants, as different kinds of subdivisions often share similar or identical names.
The Morris Arboretum & Gardens of the University of Pennsylvania is the official arboretum of the Commonwealth of Pennsylvania. The Arboretum is open daily except for major holidays. It is located at 100 East Northwestern Avenue, Chestnut Hill, Philadelphia, Pennsylvania.
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 2000 Asian plant species to the West; some sixty bear his name.
Hamilton Rhododendron Gardens is the only public botanical garden in the Blue Ridge Mountains of North Georgia specializing in Rhododendrons and Native Azaleas. The protected area encompasses 33.0 acres (13.4 ha) on land sloping to Lake Chatuge. Hamilton Gardens at Lake Chatuge, Inc. was a 501(c)(3) non-profit educational organization that successfully restored the garden and operated it for six years. Located near the city of Hiawassee, Georgia, the gardens have the largest collection of native azalea and rhododendron in the Southeast U.S.
The Norfolk Botanical Garden is a botanical garden with arboretum located at 6700 Azalea Garden Road, Norfolk, Virginia.
Wojsławice Arboretum is an arboretum, located in Wojsławice, Dzierżoniów County, Lower Silesian Voivodeship, in south-western Poland. It occupies an area of 62 ha.
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.
The Asticou Azalea Garden in Northeast Harbor, Maine, United States, is a popular visitor attraction. It was created by lifelong resident of the village, Charles Kenneth Savage, in 1956. Much of the initial plant collection originated at Reef Point Estate in nearby Bar Harbor, the summer residence of renowned landscape architect Beatrix Farrand. The collection was moved with the financial assistance of John D. Rockefeller Jr., including the weeping hemlock, just north of the main bridge.
The Zirbitzkogel, at 2,396 m (AA), is the highest point of the Seetal Alps in Austria. It lies south of the Upper Mur valley in the Styria near its border with Carinthia. The Lavant, a left tributary of the Drau, has its source on the southern slopes of the mountain.
