|in Talakona forest, in Chittoor District of Andhra Pradesh, India.|
Pterocarpus santalinus, with the common names red sanders, red sandalwood, and saunderswood, is a species of Pterocarpus endemic to the southern Eastern Ghats mountain range of South India. This tree is valued for the rich red color of its wood. The wood is not aromatic. The tree is not to be confused with the aromatic Santalum sandalwood trees that grow natively in South India.
Assamese ৰঙা চন্দন (Ronga Chandan); Bengali: Rakta Chandan; Gujarati: Ratanjali; Hindi: Lal Chandan, Ragat Chandan, Rukhto Chandan, Undum;Urdu: Sandal; Kannada: Agslue; Marathi: Tambada Chandan; Oriya: Raktachandan; Malayalam: Patrangam, Tilaparni, Rakta Chandanam ; Sinhala: Rath Sandun; Tamil: Chenjandanam, Semmaram, Sivappu Chandanam; Telugu: Agaru gandhamu, Errachandanam, Raktachandanam, Rakta ghandhamu.
Pterocarpus santalinus is a light-demanding small tree, growing to 8 metres (26 ft) tall with a trunk 50–150 cm diameter. It is fast-growing when young, reaching 5 metres (16 ft) tall in three years, even on degraded soils. It is not frost tolerant, being killed by temperatures of −1 °C.
The leaves are alternate, 3–9 cm long, trifoliate with three leaflets.
The wood has historically been valued in China, particularly during the Qing Dynasty periods, and is referred to in Chinese as zitan (紫檀) and spelt tzu-t'an by earlier western authors such as Gustav Ecke, who introduced classical Chinese hardwood furniture to the west. An exquisite chair made of red sandalwood can be seen today in China's Forbidden City in Beijing, inside the Hall of Supreme Harmony, and once used by the emperors of the Qing Dynasty.
In India sandalwood is one main and lucrative market for smugglers, as a high price is paid for this wood in China. Since the exporting of sandalwood is illegal in India, the underground market is growing and there are a number of arrests every year of those trying to smuggle this wood to China.
The other form of zitan is from the species Dalbergia luovelii, Dalbergia maritima, and Dalbergia normandi, all similar species named in trade as bois de rose or violet rosewood which when cut are bright crimson purple changing to dark purple again. It has a fragrant scent when worked.
Pterocarpus santalinus is used in traditional herbal medicine as an antipyretic, anti-inflammatory, anthelmintic, tonic, hemorrhage, dysentery, aphrodisiac, anti-hyperglycaemic and diaphoretic.
Grading of red sandalwood
Red sandalwood grown on the shale subsoils, at altitudes around 750 metres (2,460 ft), and in semi-arid climatic conditions gives a distinctive wavy grain margin. Lumber pieces with the wavy grain margin are graded as "A" grade. Red sandalwood with wavy grain margins sells at higher prices than the standard wood.
Pterocarpus santalinus was listed as an Endangered species by the IUCN, because of overexploitation for its timber in South India; however, it was later reclassified to Near Threatened in 2018, as the scale of this loss is not properly known. It is also listed in the appendix II of the CITES, which means that a certificate is required in order to export it, that should only be granted if the trade is not detrimental to the survival of the species.
- IUCN Report: Pterocarpus santalinus (Almug, Red Sandalwood, Saunderswood)
- "The Plant List: A Working List of All Plant Species". Retrieved 30 September 2014.
- International Legume Database & Information Service: Pterocarpus santalinus
- FAO Ecocrop: Pterocarpus santalinus[permanent dead link]
- Auroville: Wasteland reclamation through rehabilitation of eroded soil (pdf file) Archived 2007-06-23 at the Wayback Machine.
- http://www.chinese-furniture.com/cgi-bin/ccf.cgi?stt=stp&pgn=newsletter_archive/newsletter_2.html&id= Chinese Furniture.com newsletter; Volume 1, Number 2; Accessed 2007-04-05
- http://www.wctg.net/zitan.html; Accessed 2007-04-06
- , Japanese Music and Musical Instruments
- "Pterocarpus santalinus Linn. f. (Rath handun): A review of its botany, uses, phytochemistry and pharmacology". Journal of the Korean Society for Applied Biological Chemistry. 54 (4): 495–500. August 2011. doi:10.3839/jksabc.2011.076 (inactive 2019-01-09).
- Red List of Threatened Species: Pterocarpus santalinus, IUCN
- Appendices I, II and III, CITES
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