Buddleja curviflora
Encyclopedia
Buddleja curviflora is a deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 native to southern Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

, where it grows in thickets on stony slopes at elevations of 100 - 300 m. B. curviflora was named and described Hooker
William Jackson Hooker
Sir William Jackson Hooker, FRS was an English systematic botanist and organiser. He held the post of Regius Professor of Botany at Glasgow University, and was the first Director of the Royal Botanic Gardens, Kew. He enjoyed the friendship and support of Sir Joseph Banks for his exploring,...

 & Arnott
George Arnott Walker-Arnott
George Arnott Walker-Arnott was a Scottish botanist.He studied law in Edinburgh though later became a botanist, holding the position of Regius Professor of Botany in the University of Glasgow. He studied the botany of North America with Sir William Hooker and collaborated with Robert Wight in...

 in 1838.

Description

B. curviflora grows to < 2 m in height in the wild, its branches subquadrangular in section, and glabrescent
Glabrousness
Glabrousness is the technical term for an anatomically atypical lack of hair, down, or similar structures...

. The leaves are opposite, lanceolate to ovate
Leaf shape
In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...

 and range from 5 to 15 cm long by 2 to 6 cm wide, the upper surface glabrous
Glabrousness
Glabrousness is the technical term for an anatomically atypical lack of hair, down, or similar structures...

, the underside almost glaucous
Glaucous
Glaucous is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the Glaucous Gull , Glaucous-winged Gull , Glaucous Macaw , and Glaucous...

. The purple flowers are borne on slender, terminal, one-sided panicles 5 - 15 cm long; flowering occurs in June and July.

Cultivation

The shrub is rare in cultivation. In the UK, specimens are grown at the Royal Botanic Garden Edinburgh
Royal Botanic Garden Edinburgh
The Royal Botanic Garden Edinburgh is a scientific centre for the study of plants, their diversity and conservation, as well as a popular tourist attraction. Originally founded in 1670 as a physic garden to grow medicinal plants, today it occupies four sites across Scotland — Edinburgh,...

 and at the Royal Horticultural Society
Royal Horticultural Society
The Royal Horticultural Society was founded in 1804 in London, England as the Horticultural Society of London, and gained its present name in a Royal Charter granted in 1861 by Prince Albert...

 garden at Wisley
Wisley
Wisley is a small village in Surrey, England. It lies between Cobham and Woking. It is the home of the Royal Horticultural Society's Wisley Garden. The River Wey runs through the village....

. The NCCPG national collection at Longstock Park
Longstock Park
Longstock Park is a country estate in the civil parish of Longstock in the Test Valley district of Hampshire, England. Formerly Longstock Manor, of medieval origins, it was purchased by Sir Joshua East in the nineteenth century. On his death, the estate passed to his sons Alfred and Arthur. In...

 Nursery, near Stockbridge
Stockbridge, Hampshire
Stockbridge is a small town and civil parish in Hampshire, England. It has an acreage of and a population of little under 600 people according to the 2001 census in Hampshire, England. It lies on the River Test, in the Test Valley district and renowned for trout fishing. The A30 road goes through...

, has the variety veneniflora.

Varieties

  • Buddleja curviflora var. veneniflora. Native to southern Shikoku
    Shikoku
    is the smallest and least populous of the four main islands of Japan, located south of Honshū and east of the island of Kyūshū. Its ancient names include Iyo-no-futana-shima , Iyo-shima , and Futana-shima...

     and southern Kyushu
    Kyushu
    is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

    , Japan, it is distinguished by the pale brown pubescence on the underside of the leaves.

Suppliers

The shrub is in commerce in the UK; vendors can be found in the RHS
Royal Horticultural Society
The Royal Horticultural Society was founded in 1804 in London, England as the Horticultural Society of London, and gained its present name in a Royal Charter granted in 1861 by Prince Albert...

's Plantfinder http://apps.rhs.org.uk/rhsplantfinder.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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