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Hymenanthes
''Rhododendron'' subg. ''Hymenanthes'' is a subgenus of the genus ''Rhododendron'', with a widespread distribution in the temperate Northern Hemisphere. The species are evergreen shrubs and small to medium-sized trees (up to 20 m tall), with medium-sized to large leaves (very large, over 40 cm long, in a few species). The flowers are large, produced in terminal trusses of 5-40 together. The subgenus includes two sections, ''Rhododendron'' sect. ''Ponticum'', divided into 24 subsections and about 140 species, and (since 2005) ''Rhododendron'' sect. ''Pentanthera'' Cultivation This subgenus includes the majority of the larger evergreen rhododendrons widely grown as ornamental plants. Some species, notably ''Rhododendron ponticum'', have escaped from cultivation and become invasive in some regions such as New Zealand. Ponticum Section ''Ponticum'' (24 subsections) includes: * ''R.'' subsect. ''Arborea'' (4 species) * ''R.'' subsect. ''Argyrophylla'' (6 sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhododendron Chihsinianum
''Rhododendron'' (; : ''rhododendra'') is a very large genus of about 1,024 species of woody plants in the Ericaceae, 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 List of U.S. state and territory flowers, state flower of Washington (state), Washington and West Virginia in the United States, the state flower of Nagaland and Himachal Pradesh in India, the provincial flower of Jeju Province in South Korea, the provincial flower of Jiangxi in China and the List of Indian state trees, state tree of Sikkim and Uttarakhand in India. Most species have brightly coloured flowers which bloom from late winter through to early summer. Azaleas make up two subgenera of ''Rhododendron''. They are distinguished from "true" rhododendrons by having only five anthers per flower. E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
