Keteleeria evelyniana
Encyclopedia
Keteleeria evelyniana is a species of conifer native to southern China, Laos
Laos
Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...

 and Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

.

In mid-December 2009, a Keteleeria evelyniana located in Seattle's
Seattle, Washington
Seattle is the county seat of King County, Washington. With 608,660 residents as of the 2010 Census, Seattle is the largest city in the Northwestern United States. The Seattle metropolitan area of about 3.4 million inhabitants is the 15th largest metropolitan area in the country...

 Washington Park Arboretum
Washington Park Arboretum
Washington Park is a public park in Seattle, Washington, USA, most of which is taken up by the Washington Park Arboretum, a joint project of the University of Washington, the Seattle Department of Parks and Recreation, and the nonprofit Arboretum Foundation. Washington Park also includes a...

 was cut down. It was thought that the unknown person who was responsible for the cutting down of the tree took it for a Christmas tree
Christmas tree
The Christmas tree is a decorated evergreen coniferous tree, real or artificial, and a tradition associated with the celebration of Christmas. The tradition of decorating an evergreen tree at Christmas started in Livonia and Germany in the 16th century...

. The tree was planted in 1998, transplanted from China's
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

 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...

 province.

Common names

Yunnan youshan (Chinese) (Farjon 1990); Du sam, May hinh (Vietnamese) (FIPI 1996).

Taxonomic notes

Syn: K. delavayi Van Tieghem 1891; K. dopiana Flous 1936; K. roulletii Flous 1936; K. hainanensis Chun et Tsiang 1963; K. evelyniana var. pendula Hsueh 1983. Farjon (1989) provides a thorough taxonomic review of the species.

Range

Laos, Vietnam (as far south as the Plateau of Lang Bian near Da Lat), and China: SW Sichuan
Sichuan
' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

, Yunnan (where it probably intergrades with K. davidiana), and the central mountains of Hainan
Hainan
Hainan is the smallest province of the People's Republic of China . Although the province comprises some two hundred islands scattered among three archipelagos off the southern coast, of its land mass is Hainan Island , from which the province takes its name...

 (Farjon 1990).

It grows NW Vietnam at elevations above 600 metres (1,968.5 ft) and is shade intolerant, prefers neutral or limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 soils, and is typically associated with Pinus spp. or with species of Fagaceace and Lauraceae
Lauraceae
The Lauraceae or Laurel family comprises a group of flowering plants included in the order Laurales. The family contains about 55 genera and over 3500, perhaps as many as 4000, species world-wide, mostly from warm or tropical regions, especially Southeast Asia and South America...

, in some places being the dominant species (FIPI 1996, as K. davidiana).

Ethnobotany

Used in construction, railroad tie
Railroad tie
A railroad tie/railway tie , or railway sleeper is a rectangular item used to support the rails in railroad tracks...

s, mine timbering and sundry house implements. The seeds are rich in essential oil that can be used for burning and soap manufacturing. The tree can also be used in medicine (Wang 1961).

Remarks

Listed (as K. roulletii) as threatened in Vietnam by the World Conservation Monitoring Centre
World Conservation Monitoring Centre
The United Nations Environment Programme's World Conservation Monitoring Centre is an executive agency of the United Nations Environment Programme, based in Cambridge in the United Kingdom. UNEP-WCMC has been part of UNEP since 2000, and has responsibility for biodiversity assessment and support...

.
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