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.
Lathyrus latifolius, the perennial peavine, perennial pea, broad-leaved everlasting-pea, or just everlasting pea, is a robust, sprawling herbaceous perennial flowering plant in the pea family Fabaceae. It is native to Europe but is present on other continents, such as North America and Australia, where it is most often seen along roadsides.
Ajuga reptans is commonly known as bugle, blue bugle, bugleherb, bugleweed, carpetweed, carpet bugleweed, and common bugle, and traditionally however less commonly as St. Lawrence plant. It is an herbaceous flowering plant in the mint family Lamiaceae, native to Europe. It is invasive in parts of North America. It is also a component of purple moor grass and rush pastures, a Biodiversity Action Plan habitat in the United Kingdom.
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.
The Victoria Medal of Honour (VMH) is awarded to British horticulturists resident in the United Kingdom whom the Royal Horticultural Society Council considers deserving of special honour by the Society.
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.
Lathyrus vernus, the spring vetchling, spring pea, or spring vetch, is a species of flowering herbaceous perennial plant in the genus Lathyrus, native to forests of Europe and Siberia. It forms a dense clump of pointed leaves with purple flowers in spring, shading to a greenish-blue with age.
Rhododendron arborescens, also known as smooth azalea or sweet azalea, is a species of flowering plant in the family Ericaceae, native to the eastern seaboard of the United States.
Rhododendron dauricum is a species of flowering plant in the heath family Ericaceae native to forests and forest margins in Eastern Siberia, Mongolia, North China and Hokkaido, Japan. The Latin specific epithet dauricum means "from Siberia" – Transbaikal is also known as Dauria.
Rhododendron campylogynum (独龙杜鹃), the bent-style rhododendron, is a rhododendron species native to northeast India and northeast Myanmar, where it grows at altitudes of 3,500–4,500 m (11,500–14,800 ft). It is a small creeping or prostrate shrub that grows 0.5–3 cm (0.20–1.18 in) in height, with leathery leaves, obovate to obovate-lanceolate in shape, up to 2.5 cm by 1.5 cm but often much smaller. The leaves are glandular and are strongly scented of myrrh when crushed. The flowers are purplish red or pink colour and of a distinctive simple, somewhat nodding, bell shape, borne singly or in pairs on a short stalk.
Rhododendron davidsonianum, the concave-leaf rhododendron, is a species of flowering plant in the heath family Ericaceae that is native to the forests of Sichuan, China, where it lives at elevations of 1,500–2,800 m (4,900–9,200 ft). Growing to 4 m (13 ft) tall and 2.5 m (8.2 ft) broad, it is an upright evergreen shrub. The glossy leaves are lanceolate and up to 6 cm (2.4 in) long. In Spring trusses of bell-shaped, pale pink or purple flowers are produced.
Rhododendron augustinii, called the blue rhododendron or Augustine's rhododendron, is a species of flowering plant in the genus Rhododendron native to central China and Tibet. Its Electra Group has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron calostrotum is a species of flowering plant in the genus Rhododendron native to Tibet, south-central China, and Myanmar. Its putative subspecies Rhododendron calostrotum subsp. keleticum, called the beautiful-covering rhododendron, and its cultivar 'Gigha' have both gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron caucasicum, the Caucasian rhododendron or the Georgian snow rose, is a species of flowering plant in the genus Rhododendron native to the Transcaucasus and Anatolia. Its hybrid cultivar 'Christmas Cheer' has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron edgeworthii, the Edgeworth rhododendron, is a species of flowering plant in the genus Rhododendron native to the eastern Himalaya, south-central China, Tibet, and Myanmar. It has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron hanceanum is a species of flowering plant in the genus Rhododendron native to south-central China. Its Nanum Group has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron oreodoxa is a species of flowering plant in the genus Rhododendron native to central China. Its variety Rhododendron oreodoxa var. fargesii, called the Père Farges rhododendron, has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron primuliflorum is a species of flowering plant in the genus Rhododendron native to central China. It has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron roxieanum is a species of flowering plant in the family Ericaceae, native to central China and Tibet. Its variety Rhododendron roxieanum var. oreonastes, called the mountain rolled-leaf rhododendron, has gained the Royal Horticultural Society's Award of Garden Merit.
Rhododendron wiltonii, called the Wilton rhododendron and the wrinkled-skin rhododendron, is a species of flowering plant in the genus Rhododendron native to south‑central China. It has gained the Royal Horticultural Society's Award of Garden Merit.
