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TY - JOUR AU - S. Ignacimuthu2, M. Ayyanar1* and PY - 2010/10/14 Y2 - 2025/09/23 TI - Conservation Status and Medicinal Plants of the Family Euphorbiaceae in Tirunelveli Hills, Southern India JF - Journal of Experimental Sciences JA - JES VL - 1 IS - 6 SE - Life Sciences DO - UR - https://www.updatepublishing.com/journal/index.php/jes/article/view/1732 SP - AB - <span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt; mso-bidi-font-weight: normal;"><div style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: white; border-top: windowtext 1pt solid; border-right: medium none; padding-top: 1pt; mso-element: para-border-div; mso-border-top-alt: solid windowtext .5pt;"><p class="MsoNormal" style="text-align: justify; margin: 0in 0in 0pt; background: white; mso-border-top-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 0in 0in 0in; padding: 0in;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt;">Tirunelveli hills of Tamil Nadu harbour over 2000 species of plants, of which <span style="layout-grid-mode: line;">25% are endemic and 3% are under various categories of threat. </span>An ethnobotanical survey was carried out among the tribal people (kani/kanikaran) inhabiting the Tirunelveli hills of Tamil Nadu and the study revealed that, they are using more than 350 plants to prepare medicine, of which 8% (30 species) are belongs to the family Euphorbiaceae and it is consistent with the claim by the floristic diversity of this family. In floristic survey, Euphorbiaceae is one of the best-represented families in Tirunelveli hills of Tamil Nadu with 124 species of plants belonging to 34 genera and ranks third followed by Leguminosae and Poaceae in terms of number of species. The largest genera in Euphorbiaceae are <em style="mso-bidi-font-style: normal;">Phyllanthus</em>, <em style="mso-bidi-font-style: normal;">Euphorbia</em> and <em style="mso-bidi-font-style: normal;">Mallotus</em>, each with 21, 18 and 11 species respectively. Euphorbiaceae includes more number of endemic plants with 31 sps. and the genus <em style="mso-bidi-font-style: normal;">Phyllanthus</em> includes five endemic species; <em style="mso-bidi-font-style: normal;">Blachia</em>, <em style="mso-bidi-font-style: normal;">Drypetes</em>, <em style="mso-bidi-font-style: normal;">Euphorbia</em>, <em style="mso-bidi-font-style: normal;">Glochidion</em> and <em style="mso-bidi-font-style: normal;">Mallotus</em> with three species. The plants such as <em style="mso-bidi-font-style: normal;">Blachia calycina</em> Benth., <em style="mso-bidi-font-style: normal;">Blachia umbellata</em> Baill., <em style="mso-bidi-font-style: normal;">Dimorphocalyx lawianus </em>(M.Arg.) Hk.f., <em style="mso-bidi-font-style: normal;">Mallotus stenanthus </em>M.Arg., <em style="mso-bidi-font-style: normal;">Phyllanthus baillonianus</em> M.Arg. and <em style="mso-bidi-font-style: normal;">Baccaurea courtallensis</em> M.Arg. are identified as endemic medicinal plants. Majority of the plants present in these hills are rapidly threatened by anthropogenic activities due to <span style="layout-grid-mode: line;">several pilgrim and tourist places within the forest area. </span>Its biodiversity is vulnerable due to different factors, and its conservation should be paid enormous attention by involving the local communities and forest representatives in preservation and conservation aspects.</span></p></div><p class="MsoNormal" style="text-align: justify; margin: 0in 0in 0pt;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt;"> </span></p><p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt;"><strong>Key words:</strong></span><em style="mso-bidi-font-style: normal;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt;"> </span></em><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt;">Tirunelveli hills, Endemism, Euphorbiaceae, Medicinal plants, Threat status</span><span style="font-size: small;"><span style="font-family: Times New Roman;"> </span></span></p><p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: Times New Roman; font-size: small;">---</span></p><p class="MsoNormal" style="text-align: justify; margin: 6pt 0in 0pt; mso-layout-grid-align: none;"><sup><span style="font-family: 'Tahoma','sans-serif'; font-size: 6pt;">1</span></sup><span style="font-family: 'Tahoma','sans-serif'; font-size: 6pt;">Division of Biodiversity and Biotechnology, Department of Botany, Pachaiyappa’s College, Chennai - 600030, Tamil Nadu, India; <sup>2</sup>Entomology Research Institute, Loyola college, Chennai – 600 034; Tamil Nadu, India</span></p><p class="MsoNormal" style="text-align: justify; margin: 6pt 0in 0pt; mso-layout-grid-align: none;"><span style="font-family: 'Tahoma','sans-serif'; font-size: 6pt;">---</span></p><p class="MsoBodyText2" style="line-height: normal; text-indent: -0.25in; margin: 0in 0in 0pt 0.25in;"><strong><span style="text-decoration: underline;">Please Cite This Article As:</span></strong></p><p class="MsoBodyText2" style="line-height: normal; text-indent: -0.25in; margin: 0in 0in 0pt 0.25in;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt; font-weight: normal; mso-bidi-font-weight: bold;"> </span></p><p class="MsoBodyText2" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: ";Tahoma";,";sans-serif";; font-size: 8pt; font-weight: normal; mso-bidi-font-weight: bold;">M. Ayyanar and S. Ignacimuthu. 2010. Diversity, Conservation Status and Medicinal Plants of the Family Euphorbiaceae in Tirunelveli Hills, Southern India. J. Exp. Sci. 1(6):12-16. </span></p></span> ER -