Buddleja yunnanensis
Encyclopedia
Buddleja yunnanensis is a vigorous shrub native to Yunnan
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...

 and much of the rest of south-western China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, where it grows on forest margins, thickets, and along streams at elevations of 1,000 - 2,500 m. The shrub was first described and named by Francois Gagnepain
François Gagnepain
François Gagnepain was a French botanist. The standard botanical author abbreviation Gagnep. is applied to plants described by Gagnepain.-References:...

 in 1915, however its taxonomy remains a matter of contention .

Description

B. yunnanensis can exceed 3 m in height. The opposite lanceolate
Leaf shape
In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...

 leaves are of variable size, < 12 cm long by 4.5 cm wide. The lilac flowers form short panicles only 6 cm long by 2 cm wide, located at the ends of the shoots. .

Suppliers

B. yunnanensis 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. However, the shrub almost inevitably suffers from confusion with B. nivea var. yunnanensis in the nursery trade.
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