bio.wikisort.org - Plant
Senna auriculata is a leguminous tree in the subfamily Caesalpinioideae. It is commonly known by its local names matura tea tree, avaram or ranawara , (Kannada: ಆವರಿಕೆ āvarike, Marathi: तरवड, Malayalam: ആവര, Sinhala: රණවරා ranawarā,Telugu: తంగేడు taṃgēḍu, Tamil: ஆவாரை āvārai) or the English version avaram senna. It is the State flower of Telangana.[1] It occurs in the dry regions of India and Sri Lanka. It is common along the sea coast and the dry zone in Sri Lanka.
| Senna auriculata | |
|---|---|
 | |
| At Sindhrot near Vadodara, Gujarat | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Genus: | Senna |
| Species: | S. auriculata |
| Binomial name | |
| Senna auriculata (L.) Roxb. | |
| Synonyms | |
|
Cassia auriculata L. | |
Description
Avaram senna is a much branched shrub with smooth cinnamon brown bark and closely pubescent branchlets.
The leaves are alternate, stipulate, paripinnate compound, very numerous, closely placed, rachis 8.8-12.5 cm long, narrowly furrowed, slender, pubescent, with an erect linear gland between the leaflets of each pair, leaflets 16-24, very shortly stalked 2-2.5 cm long 1-1.3 cm broad, slightly overlapping, oval oblong, obtuse, at both ends, mucronate, glabrous or minutely downy, dull green, paler beneath, stipules very large, reniform-rotund, produced at base on side of next petiole into a filiform point and persistent.
Its flowers are irregular, bisexual, bright yellow and large (nearly 5 cm across), the pedicels glabrous and 2.5 cm long. The racemes are few-flowered, short, erect, crowded in axils of upper leaves so as to form a large terminal inflorescence stamens barren; the ovary is superior, unilocular, with marginal ovules.
The fruit is a short legume, 7.5–11 cm long, 1.5 cm broad, oblong, obtuse, tipped with long style base, flat, thin, papery, undulately crimpled, pilose, pale brown. 12-20 seeds per fruit are carried each in its separate cavity.
Uses
Gardens
Senna auriculata is suitable for landscaping roadways and home gardens. It tolerates drought and dry conditions, but not much cold. The flowers in racemes are also attractive.[3]
Medicinal uses
The plant has been reported to treat hyperglycemia and associated hyperlipidemia[4]
This plant is said to contain a cardiac glucoside (sennapicrin) and sap, leaves and bark yield anthraquinones, while the latter contains tannins.[2]
The root is used in decoctions against fevers, diabetes, diseases of urinary system and constipation. The leaves have laxative properties. The dried flowers and flower buds are used as a substitute for tea in case of diabetes patients. It is also believed to improve the complexion. The powdered seed is also applied to the eye, in case of chronic purulent conjunctivitis. In Africa the bark and seeds are said to give relief in rheumatism, eye diseases, gonorrhea, diabetes and gout.[2]
The plant has been shown to have antibacterial activity in the laboratory.[5]
References
- Vijayaraj, Panneerselvam; Muthukumar, Kannan; Sabarirajan, Jayaraja; Nachiappan, Vasanthi (2013-01-01). "Antihyperlipidemic activity of Cassia auriculata flowers in triton WR 1339 induced hyperlipidemic rats". Experimental and Toxicologic Pathology. 65 (1): 135–141. doi:10.1016/j.etp.2011.07.001. ISSN 0940-2993. PMID 21852078.
- Jayaweera (1981)[verification needed]
- Martin (1983), de Silva (1996)
- Vijayaraj, Panneerselvam; Muthukumar, Kannan; Sabarirajan, Jayaraja; Nachiappan, Vasanthi (2013-01-01). "Antihyperlipidemic activity of Cassia auriculata flowers in triton WR 1339 induced hyperlipidemic rats". Experimental and Toxicologic Pathology. 65 (1): 135–141. doi:10.1016/j.etp.2011.07.001. ISSN 0940-2993. PMID 21852078.
- Maneemegalai, S. and T. Naveen. (2010).Evaluation of antibacterial activity of flower extracts of Cassia auriculata. Ethnobotanical Leaflets 14 8-20.
Footnotes
- Dassanayake, M.D. & Fosberg, F.R. (eds.) (1981): A Revised Handbook to the Flora of Ceylon (Vol. II)[verification needed]. Smithsonian Institution and National Science Foundation, Washington D.C., Amerind Publishing Co Pvt Ltd, New Delhi.
- de Silva, N. (1998): A selection of indigenous trees for traditional landscapes in Sri Lanka. Deveco Designers and publishers (Pvt) Ltd.
- Jayaweera, D.M.A. (1981a): Medicinal plants (indigenous and exotic) used in Ceylon (Part I). The National Science Council of Sri Lanka, Colombo 7.
- Jayaweera, D.M.A. (1981b): Medicinal plants (indigenous and exotic) used in Ceylon (Part II). The National Science Council of Sri Lanka, Colombo 7.
- Jayaweera, D.M.A. (1981c): Medicinal plants (indigenous and exotic) used in Ceylon (Part III). The National Science Council of Sri Lanka, Colombo 7.
- Jayaweera, D.M.A. (1982): Medicinal plants (indigenous and exotic) used in Ceylon (Part IV). The National Science Council of Sri Lanka, Colombo 7.
- Jayaweera, D.M.A. (1992): Medicinal plants (indigenous and exotic) used in Ceylon (Part V). The National Science Council of Sri Lanka, Colombo 7.
- Martin E.C. (1983): Landscape Plants in Design: A Photographic Guide . AVI Publishing Company, Westport, Connecticut. ISBN 0-87055-429-8
- Perera, D.L. & de Silva, G. (2002): Compendium of Medicinal plants. A Sri Lankan study (Vol. 1+2). Ayurvedic Department, Sri Lanka.
- Rao, P.S.; Venkaiah, K. & Padmaja, R. (1999): Field Guide on Medicinal Plants. Forest Department, Andhra Pradesh, India.
- United States Department of Agriculture (USDA) (2007): USDA Plants Profile: Cassia auriculata. Retrieved 2007-DEC-20.
External links
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