''Dalbergia oliveri'' is a species of legume in the family Fabaceae which grows in tree form to 15 – 30 meters in height (up to 100 ft.). The fruit is a green pod containing one to two seeds which turn brown to black when ripe. It is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

and

over-harvesting Overexploitation, also called overharvesting, refers to harvesting a renewable resource to the point of diminishing returns. Continued overexploitation can lead to the destruction of the resource, as it will be unable to replenish. The term ap ...

for its valuable red "rosewood" timber.

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

published the transcriptomes of ''Dalbergia oliveri'' and five other ''Dalbergia'' spp. It was found that ''D. oliveri'' had more

R gene Resistance genes (R-Genes) are genes in plant genomes that convey plant disease resistance against pathogens by producing R proteins. The main class of R-genes consist of a nucleotide binding domain (NB) and a leucine rich repeat (LRR) dom ...

s than the co-occurring ''

Dalbergia cochinchinensis ''Dalbergia cochinchinensis'', the Thailand rosewood, Siamese rosewood, or tracwood, ( th, พะยูง: ''Phayung'' ; Vietnamese: Trắc (or Cẩm lai nam bộ); Khmer: ក្រញូង: ''Kranhung'' ; Lao: ກະຍູງ: ''Kayung'' ; ...

''.

Distribution naming and synonyms

The trees are found in

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

, Laos,

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailan ...

, and

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

. Common names in S.E. Asia are: Cambodian: "Neang Nuon", Thai: "Mai Ching Chan" (ไม้ชิงชัน), Laos: "Mai Kham Phii" (ໄມ້ຄຳພີ), Myanmar: "tamalan" (တမလန်း). In Vietnamese ''cẩm lai'' or ''trắc lai'' is a generic name for "rosewood" trees. Based at the Saigon Botanic Gardens, the French botanist JBL Pierre described a number of local variations in tree dimensions and characteristics of seed pods (which are usually

glabrous Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

).Phạm Hoàng Hộ (1999) ''Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam'' vol. I publ. Nhà Xuẩt Bản Trẻ, HCMC, VN. Species he named are now considered to be synonyms: * '' D. bariensis: cẩm lai bông, cẩm lai

Bà Rịa Bà Rịa () is a city in Bà Rịa–Vũng Tàu province in the Southeast region of Vietnam. Bà Rịa is split from Vũng Tàu by a river crossed by Cỏ May Bridge. This is the '' de jure'' seat of the province since most of the provincial a ...

'' – 15-20 m trees – pods 25 x 120mm, usually 1 seeded * '' D. dongnaiense: cẩm lai Ðồng Nai'' – 10-15 m trees – pods 30-45 x 100-110mm, 1 seed * ''D. duperreana: trắc'' (Cambodia) – 10-20 m trees – pods 27-40 x 120mm * '' D. mammosa: cẩm lai vú'' - 20 m trees – pods 22 x 100mm, not narrowing on 1-2 seeds * ''D. olivieri: cẩm lai bông'' - 25 m trees – pods 17 x 60-80mm, 1 or 2 (rarely 3) seeds

Uses

The wood of this rosewood-family tree is valuable for ornamental work including

Woodturning Woodturning is the craft of using a wood lathe with hand-held tools to cut a shape that is symmetrical around the axis of rotation. Like the potter's wheel, the wood lathe is a simple mechanism that can generate a variety of forms. The operator ...

and furniture. The sapwood is yellowish-white with dark brown heartwood. The heartwood is very hard and heavy. The lumber is sold under the names Burmese rosewood, Laos rosewood, and Asian rosewood. In contrast to the co-occurring ''

'', ''Dalbergia'' ''oliveri'' avoids drought by chlorophyll content and compromise productivity. Its isohydric behaviour suggests it is suitable to be grown in deciduous forests.

References

{{Taxonbar, from=Q1930212, from2=Q5210247, from3=Q15531839, from4=Q15472606, from5=Q1388262 oliveri Trees of Indo-China Endangered plants Taxonomy articles created by Polbot