Species : Cedrela toona Rottler & Willdenow
Local Name : Tooni (Nep), Poma, Somal(Lep)
Synonym : Toona ciliata Roemer.
Family : Meliaceae
Habitat : A tall tree reaching up to 18 m.
Distribution : Distributed to temperate to sub- temperate regions.
Sikkim : Mamring forest, 5000 ft.; Hee- Gyathang (Ravong), Lingthem (Dzongu), Hee Yangthang (West Sikkim).
Out side : Chittagong, Assam, Burma, Chota Nagpur, Ganjam, Western Ghats of Bombay to the Nilgiris and Anamalais and other hills of
West Peninsula, West Bengal (Birik, Gorutbathan, Kalimpong, Peshok, Mirik).
General : Afghanistan, Himalaya, India, Sri Lanka, East China.
A tall tree; branches numerous, forming a shady head. Leaves abruptly pinnate, 30- 45 cm long or more; leaflets opposite or alternate, 4- 15 pairs, lanceolate or ovate lanceolate, acumninate, entire or slightly undulate, glabrous, base in equilateral, the upper side usually larger rounded, the lower smaller acute; petiolules 6- 12 mm long.Flowers white honey scented in large drooping terminal more or less pubescent panicles nearly as long as the leaves. Buds ovoid or oblong; pedicels short, slender. Calyx divided nearly to the base. Lobes orbicular- ovate, ciliate. Petals 5mm long, broadly elliptic, obscurely veined, ciliate, keeled at the base inside. Stamens 5, each inserted on one of the orange- colored hairy lobes of the disk. Anthers oblong, cordate, rounded and apiculate at the apex. Ovary hairy ovoid or sub-globose; stigma 1.25mm diameter. Capsules oblong 2- 2.5 cm long. Seeds with a membranous wing at each end, about 2 cm long including the wings.
Flowering :
Fruiting :
History :
Parts : Bark, seeds.
Status : Vulnerable.
Phytochemistry
Cedrelone, 1,2 dihydrocedrelone, bergapten and beta- sitosterol isolated (Phytochemistry 1971, 10, 2533; Planta Med. 1975, 28, 52); a new tetranortriterpenoid-6- deoxycedrelone isolated (Planta Med. 1975, 28, 52); a cournarin siderin isolated from wood (Phytochemistry 1975, 14, 1673); two new B- secotetranortriterpenoidstoonacilin and 6- acetoxytoonacilin isolated from bark and their structures elucidated.
Ayurvedic
The bark is astringent to the bowels, cooling, aphrodisiac, tonic, fattening; useful in ulcers, leprosy, removes "Tridosha"; burning sensation; cures fevers, itching, headache, biliousness and blood complaints.
Unani
The bark is bitter, cardiotonic, aphrodisiac, expectorant, astringent to the bowels, anthelmintic; good for scabies and gleets. The seeds have the same properties.
Others
The bark is a powerful
astringent and has been used with success in chronic infantile
dysentery and as a local astringent application in various forms
of ulceration.
1. Anonymous (1992). The Useful Plants of India. Publications and Information Directorate, CSIR. New Delhi. 112- 113.
2. Kirtikar, K.R., B.D.Basu (1993). Indian Medicinal Plants (Vol. I). Bishen Singh Mahendra Pal Singh Dehradun. 783- 785.
3. Progress Report of the Project "Studies on Medicinal Plants of Sikkim" (1998- 2001). State Council of Science and Technology for Sikkim.