Rhododendron is a very large genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous, and found mainly in Asia, although it is also widespread throughout lowland and montane forests in the Pacific Northwest, California, the Northeastern United States, and especially in the highlands of the Appalachian Mountains of North America. It is the national flower of Nepal, the state flower of Washington and West Virginia in the United States, 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.
Mangifera is a genus of flowering plants in the cashew family, Anacardiaceae. It contains approximately 69 species, with the best-known being the Common Mango. The center of diversity is in subtropical and tropical South Asia and Southeast Asia, while the highest number of species occur in India. They are generally canopy trees in lowland rainforests, reaching a height of 30–40 m (98–131 ft).
Gaultheria is a genus of about 135 species of shrubs in the family Ericaceae. The name commemorates Jean François Gaultier of Quebec, an honour bestowed by the Scandinavian Pehr Kalm in 1748 and taken up by Carl Linnaeus in his Species Plantarum. These plants are native to Asia, Australasia and North and South America. In the past, the Southern Hemisphere species were often treated as the separate genus Pernettya, but no consistent reliable morphological or genetic differences support recognition of two genera, and they are now united in the single genus Gaultheria.
Hydnocarpus is a genus of medium to large trees in the Family Achariaceae; the genus was previously placed in the now defunct family Flacourtiaceae. Species have been recorded from Indochina, Indonesia, Malaysia and the Philippines.
The Icacinaceae are a family of flowering plants, consisting of trees, shrubs, and lianas, primarily of the tropics.
Anacolosa is a plant genus of 15 to 22 species in the family Olacaceae. The generic name is from the Greek anakolos, meaning "knotted", referring to the calyx cup rim.
Gomphandra is a genus of plant in family Stemonuraceae. The genus contains over 40 different species.
Helicia is a genus of 110 species of trees and shrubs, constituting part of the plant family Proteaceae. They grow naturally in rainforests throughout tropical South and Southeast Asia, including India, Sri Lanka, Indochina, Peninsular Malaysia to New Guinea and as far south as New South Wales.
Heliciopsis is a genus of about thirteen species of trees, constituting part of the flowering plant family Proteaceae. They grow naturally in Burma, Indo-China, SE. China, Thailand, Peninsular Malaysia, Borneo, Sumatra, Java (Indonesia) and the Philippines. The name means similar to the plant genus Helicia. Its closest relatives are Athertonia (Australia) and Virotia.
Olax is a plant genus in the family Olacaceae. The name derives from the Latin, olax (malodorous), and refers to the unpleasant scent of some of the Olax species.
Stemonurus is a genus of plants in the family Stemonuraceae.
Cardiopteridaceae is a eudicot family of flowering plants. It consists of about 43 species of trees, shrubs, and woody vines, mostly of the tropics, but with a few in temperate regions. It contains six genera, the largest of which is Citronella, with 21 species. The other genera are much smaller.
Tetracera is a genus of flowering plants of the Dilleniaceae family; several species are lianas.
Rhododendron section Vireya (vireyas) is a tropical group of Rhododendron species, numbering about 300 in all. Vireyas are native to southeastern Asia and range from Thailand to Australia.
Stemonuraceae is a eudicot family of flowering plants.
Themistoclesia is a genus of flowering plants belonging to the family Ericaceae.
Iodes is a genus of flowering plants belonging to the family Icacinaceae.
Diogenesia is a genus of flowering plants belonging to the family Ericaceae.
Diplycosia is a genus of flowering plants belonging to the family Ericaceae.
