Plants

Cedrus deodara (Heart wood)

DEVADARU (Heart Wood)
Devadaru consists of dried heart wood of Cedrus deodara (Roxb.) Loud. (Fam. Pinaceae), a very large and tall ever green tree, upto 75m in height and ranging from 2.4 to .6 m in girth, occasionally even upto 13.5 m in girth, found in North Western Himalayas rom Kashmir to Garhwal, between 1200 to 3000 m and also cultivated in Kumaon.
 
cedrus deodara
SYNONYMS
Sanskrit : Bhadradaru, Surabhhuruha, Amaradaru, Devakashtha, Daru, Suradaru, Amarataru
Assamese : Shajar Tuljeen
Bengali : Devdaroo
English : Deodar, Himalayan Cedar
Gujrati : Devdar, Teliyo Devdar
Hindi : Devdar, Devdaroo
Kannada : Deevdar
Kashmiri : —
Malayalam : Devtaram
Marathi : Devdar, Telya Dedaroo
Oriya : —
Punjabi : Diyar, Dewdar
Tamil : Devdaroo
Telugu : Devdari Chettu, Devdaree
Urdu : Deodar
 
DESCRIPTION
 
a) Macroscopic
Wood moderately hard, light yellowish-brown to brown; wood splits readily longitudinally; annual rings well marked; medullary rays appear as whitish lines; resin anals, if present, arranged in long tangential rows, showing up as dark, narrow line on the radial surface of the wood pieces; odour, aromatic; taste, not distinct.

b) Microscopic

Mature wood almost entirely of narrow, quadrangular or rarely five or six sided tracheids, having very thick-wall with pits and a narrow lumen; xylem rays very fine, numerous and run straight throughout the region, uniseriate and 2 to 16 cells high in tangential section; vessels absent.
Powder – Brownish-yellow in colour and oily, shows entire or fragments of tracheids and xylem ray cells.

CONSTITUENTS – Terpenoids, Flavonoids and Glycosides.

 
PROPERTIES AND ACTION
Rasa : Tikta
Guna : Laghu, Snigdha
Virya : Ushna
Vipaka : Katu
Karma : Kaphahara, Vatahara, Dushtavrana sodhaka
 
IMPORTANT FORMULATIONS – Khadirarishta, Dashamhularishta, Devadarvarishta, Mritasaµjivanisura, Karpuradyarka, Pramehamihira Taila, Candanadi Churna, Sudarsana Churna, Narayana Taila, Pradarantaka Lauha, Vataraktanaka Lauha, Mahavisagarbha Taila
 
THERAPEUTIC USES – sotha, Jvara, Krimi, Kandu, Pinasa, Vibandha, Adhmana, Tandra, Hikka, Prameha, Kasa, Kustha, Amavata, Raktavikara, Sutikaroga
 
DOSE – 3-6 g of the drug in powder form