Knowra Rhododendron Rhododendron Rhododendron is a genus of flowering shrubs and trees in the heath family, Ericaceae. It includes plants commonly called rhododendrons and azaleas, with flowers often arranged in clusters.
Ericaceae : Ericaceae is a family of flowering plants that includes heaths, blueberries, cranberries, and Rhododendron. Rhododendron belongs to this family, whose plants often favor acidic soils.
Horticulture : Horticulture is the science and practice of growing plants for food, ornament, and other uses. Rhododendrons are widely cultivated as ornamental shrubs and trees.
Rhododendron biogeography : Rhododendron biogeography studies the geographic distribution and historical spread of species in the genus. The genus is especially diverse in the Himalayas and eastern Asia, with species across several continents.
Rhododendron ponticum : Rhododendron ponticum is an evergreen shrub native to parts of Europe and western Asia, widely introduced elsewhere. It has become an invasive plant in parts of Britain and Ireland.
Rhododendron in culture : Rhododendron in culture encompasses the plant's roles in symbolism, regional identity, art, and tradition. Several regions recognize particular rhododendron species as national or state flowers.
Azalea : Azalea is a common name for groups of Rhododendron species and hybrids, typically smaller shrubs with funnel-shaped flowers. Azaleas are not a separate genus; botanically, they are part of Rhododendron.
Rhododendron breeding : Rhododendron breeding is the deliberate crossing and selection of plants to develop varieties with desired traits. Hybridization has produced garden plants with diverse flower colors, forms, and hardiness.
Rhododendron evolution : Rhododendron evolution is the history of diversification and adaptation among species in the genus. Mountain habitats and geographic isolation have contributed to its extensive species diversity.
Rhododendron arboreum : Rhododendron arboreum is a large rhododendron species native to the Himalayas and surrounding regions. Its tree-like growth and vivid flowers illustrate the genus's range of forms.
State flowers of the United States : State flowers are plants officially designated to represent individual U.S. states. Rhododendron species serve as state flowers in several parts of the United States.
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