Division
|
Angiosperms |
Class
|
Dicotledons |
Subclass |
Gamopetalae |
Order |
Gentianales |
Series |
Hypogynae |
Family
|
Apocynaceae |
Genus
|
Alstonia |
Species
|
scholaris |
Etymology: |
In the honour of Dr. Charles Alston (1685-1760), Prof. of medicine in Edinburgh University. |
Botanical name
|
Alstonia scholaris (Linn.) R.Br. |
Local/Trade names:
|
Chattin or Satwin or Shaitan Wood, Dita Bark Tree, Devils Tree, Scholar Tree, Saptparni. |
Conservation status:
|
Commonly planted throughout India. |
Digonestic features:
|
Yield latex; leaves in a whorls of 4-7. |
Description:
|
A tree with buttressed trunk. Bark grey, somewhat rough with shallow fissures. Leaves usually in whorls of 4-7, obovate-elliptic, 5-15 x 2-7 cm, base attenuate to cuneate, apex obtusely acute. Inflorescence of superposed umble. Flowers greenish-white, 1.5 cm across. Fruit a divaricate follicle, 15-30 cm long. Seeds compressed, with a tuft of brownish hairs. |
Phenology: |
Fls.: Oct.-Nov. Frts.: March-June. |
Distribution:
|
India. Sri Lanka, South-east. Asia from Myanmar and S. China through Malaysia to New Guinea, Queensland and Africa. |
Where to see it: |
Near Energy Park, Gate No. 2 side and Nursery. |
Uses: |
Bark ( Dita Brk) bitter tonic, febrifuge, anthelmintic and galactagogue, used in the form of liquid extract of tincture for chronic, diarrhoea, asthma, and cardiac troubles; also used as an haemostatic. Bark contains several alkaloids (16-0.27%), echitamine being the chief constituent. Leaves used in beri-beri, dropsy, and congested liver. Latex applied to sores, ulcers, tumours, and rheumatic swellings. Flowers yield an essential oil the alkaloid picrinine which acts as a depressant on the central nervous system. Wood used for packing cases, tea-boxes, writing boards, lamin boards, minor furniture, frames, and scabbards; also for veneers and plywood, match-splints, inferior quality pencils, and paper industry. Wood charcoal used for gun-powder. Bark yields a fibre. Ash of the plant employed as caustic to open abscesses. |
Chief Conservator of Forests & Chief Wildlife Warden is the Head of the Department. There is one post of Conservator of Forests & two posts of Deputy Conservator of Forests viz.