Dr. Hashendra S. Kathriarachchi

Dr. Hashendra S. Kathriarachchi

Senior Lecturer

Department of Plant Sciences,
University of Colombo,
Colombo 03,
Sri Lanka.
Work Phone: +9411 258 5038 Ext 8046
Home Phone: +94 (0)71440 6235
Work Fax: +94 (0)11 258 5038

AREA OF SPECIALIZATION
  • Plant Molecular Systematics
RESEARCH INTEREST/FIELDS OF INTEREST
  • Molecular Systematics of Tropical Plant Groups, Molecular Ecology, Eco-physiology
RESEARCH EXPERIENCES AND INTERESTS
  • Systematics in Sri Lankan flora
  • Plant molecular systematics / phylogenetics with special emphasis on tropical plant families.
  • Use of molecular phylogenies to answer the evolutionary radiation and biogeographic questions of pantropical plant groups.
  • Quantitative & qualitative plant ecological studies
  • Plant ecophysiology – plant growth performances, anatomical & physiological adaptability of tropical rain forest species.
RESEARCH PUBLICATIONS
Publications in Refereed Journals
  • Nimanthika, W. J., Kathriarachchi H. S. (2010). Systematics of Garcinia L. (Clusiaceae) in Sri Lanka: new insights from vegetative morphology. Journal of the National Science Foundation of Sri Lanka, 38 (1): 41 – 56.
  • Vorontsova, M. S., Hoffmann, P., Kathriarachchi, H., Kolterman, D. A., Chase, M. W. (2007). Andrachne cuneifolia (Phyllanthaceae; Euphorbiaceae s.l.) is a Phyllanthus. Botanical Journal of the Linnean Society, 155 (4): 519–525.
  • Kathriarachchi, H., Samuel R., Hoffmann, P., Mlinarec, J., Wurdack, K. J., Ralimanana, H., Stuessy, T. F., Chase, M. W. (2006). Phylogenetics of tribe Phyllantheae (Phyllanthaceae; Euphorbiaceae sensu lato) based on nr ITS and plastid matK sequence data. American Journal of Botany, 93 (4): 637 – 655.
  • Hoffmann, P., Kathriarachchi, H., Wurdack, K. J. (2006). A revised phylogenetic classification of Phyllanthaceae (Malpighiales; Euphorbiaceae sensu lato). Kew Bulletin, 61 (1):37– 53.
  • Kathriarachchi, H., Hoffmann, P., Samuel R., Wurdack, K. J., Chase, M. W. (2005). Molecular phylogenetics of Phyllanthaceae inferred from five genes (plastid rbcL, atpB, 3ndhF, matK, nuclear PHYC). Molecular Phylogenetics and Evolution, 36 (1):112–134.
  • Samuel R., Kathriarachchi, H., Hoffmann, P., Barfuss M., Wurdack, K. J., Chase, M. W. (2005). Molecular phylogenetics of Phyllanthaceae: evidence from plastid matK and nuclear PHYC sequences. American Journal of Botany, 92 (1):132–141.
  • Kathriarachchi H. S., Tennakoon K. U., Gunatilleke, C. V. S., Gunatilleke I. A. U. N., Ashton P. M. S. (2004). Ecology of Two Selected Liana Species of Utility Value in a Lowland Rain Forest of Sri Lanka: Implications for Management. Conservation and Society, 2 (2):273–288.
Research articles in books
  • Kathriarachchi H. S. (2012). Present stratus of Lowland Wet Zone Flora of Sri Lanka. In: The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Weerakoon D. K. & S. Wijesundara (Eds.), Ministry of Environment, Colombo, Sri Lanka, 175 – 180 pp.
  • Wijesundara, S., Kathriarachchi H. S., Ranasinghe, S. W. and Hapuarachchi G. K. (2012). Analysis of Seed Plants of Sri Lanka. In: The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Weerakoon D. K. & S. Wijesundara (Eds.), Ministry of Environment, Colombo, Sri Lanka, 340 – 345 pp.

Research communications at international conferences

  • Hapuarachchi, G. K. and Kathriarachchi H. S. (2012). Diversity of tree flora of the catchments of Hiyare reservoir. Proceedings of the 17th International Forestry and Environmental Symposium, 2012. Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka. Pp.15.
  • Kathriarachchi H. S., Perera, U. G. P., and Hapuarachchi G. K. (2012). Record of point endemic Balanocarpus kitulgallensis Kosterm. and its morphological affinities with related species. Proceedings of the 17th International Forestry and Environmental Symposium, 2012. Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka. Pp.33.
  • Perera, P. L. M. M., Kotagama, S. W. and Kathriarachchi H. S. (2012). Phenological changes and temporal variation of bird-plant interactions of two selected flowering plants. Proceedings of the 17th International Forestry and Environmental Symposium, 2012. Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka. Pp.116.
  • Weerakoon, G., Kathriarachchi, H., and Samarappuli, L. (2008). Influence of Deterministic Edaphic Parameters on the Floristic Composition of the Waturana Swamp Forest, Sri Lanka. Proceedings of the 13th International Forestry and Environmental Symposium, 2008. Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka. Pp.62.
  • Weerakoon, G., Kathriarachchi, H., Samarappuli, L. and Dayawansa, P. N. (2008). A Comprehensive Floristic Study and its Relationships with Edaphic Conditions in Last Remaining Fresh Water Swamp Forest, Sri Lanka. Proceedings of the International Conference on ‘Towards Sustainable Land-use in Tropical Asia’. Organized by the Association for Tropical Biology and Conservation and the Japan Society of Tropical Ecology, 23rd – 26th April 2008 at Kuching, Sarawak, Malaysia. Pp.65.
  • Weerakoon, G., Kathriarachchi, H., Samarappuli, L. and Dayawansa, P. N. (2007). Study of floristic and edaphic factors of the Waturana swamp forest, Sri Lanka. Proceedings of the 12th International Forestry and Environmental Symposium, 2007. Department of Forestry and Environmental Science, University of Sri Jayawardenapura, Sri Lanka. Pp.31.
  • Kathriarachchi H. S., Tennakoon K. U., Gunatilleke, C. V. S., Gunatilleke I. A. U. N. and Ashton P. M. S. (2006). Light variations in vertical dimensions of canopy removal treatments in the Pinus caribaea enrichment trial in the buffer zone of the Sinharaja forest. Paper presented at the International Conference on Humid Tropical Ecosystems; Changes, Challenges and Opportunities, Kandy, Sri Lanka (4th – 9th December 2006). Pp. 67
  • Kathriarachchi H. S., Tennakoon K. U., Gunatilleke, C. V. S., Gunatilleke I. A. U. N. and Ashton P. M. S. (2006). Performance of two selected non-timber forest species, Caryota urens L. and Elettaria cardamomum var. major Thw. in the buffer zone of Sinharaja forest reserve, Sri Lanka. Paper presented at the International Conference on Humid Tropical Ecosystems; Changes, Challenges and Opportunities, Kandy, Sri Lanka (4th – 9th December 2006). Pp. 67
  • Kathriarachchi, H., Samuel R., Hoffmann, P., Wurdack, K. J. and Chase, W. M. (2005). Molecular phylogenetics of tribe Phyllantheae (Phyllanthaceae) based on nuclear and plastid DNA sequences. Proceedings of the fifth biennial conference of the Systematics Association, Cardiff, UK (22nd – 26th August 2005): Pp. 32.
  • Kathriarachchi, H., Samuel R., Hoffmann, P., Wurdack, K. J. and Chase, W. M. (2005). Phylogenetic relationships in Phyllanthus and relatives (Phyllanthaceae): Evidence from nuclear ITS and plastid matK sequences. Paper presented at the XVII International Botanical Congress, Vienna, Austria (17th – 23rd July 2005). Pp. 67. XVII International Botanical Congress-Abstracts.
  • Hoffmann, P., Wurdack, K. J., Kathriarachchi, H., Samuel R., and Chase, W. M. (2005). Systematics of Euphorbiaceae s.l. lineages. Paper presented at the XVII International Botanical Congress, Vienna, Austria (17th – 23rd July 2005). Pp. 67. XVII International Botanical Congress-Abstracts.
  • Kathriarachchi, H. S., Samuel R., Hoffmann, P., Wurdack, K. J. and Chase, W. M. (2004). Molecular phylogenetics of Phyllanthaceae: Evidence from plastid atpB, matK, ndhF, rbcL and single-copy nuclear PHYC sequences. Paper presented in the Annual Congress of the Botanical Society of America, Utah, USA (31st July – 5th August 2004).
  • Kathriarachchi, H. S., Samuel R., Hoffmann, P., Wurdack, K. J., Stuessy T. F. and Chase, W. M. (2004). Phylogenetic relationships in the subtribe Flueggeinae (Phyllanthaceae) with emphasis on genus Phyllanthus: Evidence from nuclear ITS and plastid matK sequences. Paper presented in the Annual Congress of the Botanical Society of America, Utah, USA (31st July – 5th August 2004).
  • Kathriarachchi, H. S., Samuel R., Hoffmann,P., Barfuss M. and Chase, M. W. (2003). Molecular phylogenetics of Phyllanthaceae based on plastid and nuclear sequence data. Proceedings of the fourth biennial conference of the Systematics Association held in Dublin, Ireland (18th – 22nd August 2003).
  • Tennakoon, K. U., Kathriarachchi, H. S., Gunatilleke, C. V. S., Gunatilleke, I. A. U. N., Ashton, P. M. S . (2002). Ecology of Two Selected Liana Species of Utility Value in a Lowland Rain Forest of Sri Lanka : Implications for Management. Proceedings of the Association of Tropical Biology, Panama. Smithsonian Tropical Research Institute. Pp. 113- 114.
  • Kathriarachchi H. S., Tennakoon K. U., Gunatilleke, C. V. S. and Ashton P. M. S. (2001). Ecophysiology of two Shorea species in a Pinus caribaea enrichment trial in the bufferzone of Sinharaja, Sri Lanka. In: K. N. Ganeshaiah, R. Uma Shaanker, K. S. Bawa (eds.). Tropical Ecosystems: Structure, Diversity and Human Welfare, Proceedings of the International Conference on Tropical Ecosystems: Structure, Diversity and Human Welfare, Bangalore (15th – 18th July 2001). Pp. 595-598. Oxford and Publishing Co. Pvt. Ltd. India.
  • Gunatilleke, C. V. S., Weerasekara N., Gunatilleke, I. A. U. N., and Kathriarachchi H. S. (2001). The role of Dipterocarps, their population structures and spatial distribution in the forest dynamics plot at Sinharaja, Sri Lanka. In: K. N. Ganeshaiah, R. Uma Shaanker, K. S. Bawa (eds.). Tropical Ecosystems: Structure, Diversity and Human Welfare, Proceedings of the International Conference on Tropical Ecosystems: Structure, Diversity and Human Welfare, Bangalore (15th – 18th July 2001). Pp. 591-594. Oxford and Publishing Co. Pvt. Ltd. India.
  • Research communications at national level conferences
  • Perera, P. L. M. M., Kotagama, S. W. and Kathriarachchi H. S. (2012). Mixed species bird flocks in the Hiyare Forest Reserve, Galle. Proceedings of the Symposium ‘Conservation Sri Lanka 2012’. Pp. 13.
  • Kaushalya, S. A. D. and Kathriarachchi H. S. (2009). Relationships among Calophyllum L. in Sri Lanka; insights from vegetative morphology. Proceedings of the 65h Annual Sessions of Sri Lanka Association for the Advancement of Science (Part I – Abstracts). Pp. 100.
  • Nimanthika, W. J. and Kathriarachchi H. S. (2008). Relationships among Garcinia L. (Clusiaceae) species in Sri Lanka: evidence from vegetative morphology. Proceedings of the 64h Annual Sessions of Sri Lanka Association for the Advancement of Science (Part I – Abstracts). Pp. 94.
  • Weerakoon, G. and Kathriarachchi H. S. (2008). Diversity and conservation of endemic flora in Waturana fresh water swamp forest: a critically endangered habitat in Sri Lanka. Proceedings of the 64h Annual Sessions of Sri Lanka Association for the Advancement of Science (Part I – Abstracts). Pp. 108.
  • Attigala, L. R. and Kathriarachchi H. S. (2008). Development of a herbarium catalogue and taxonomic database for the herbarium of University of Colombo. Proceedings of the 64h Annual Sessions of Sri Lanka Association for the Advancement of Science (Part I – Abstracts). Pp. 123.
  • Kathriarachchi H. S., Ashton P. M. S., Tennakoon K. U. and Gunatilleke, C. V. S. (2001). Potential for a community based management system for four selected Non-Timber Forest (NTF) species in the buffer zone of Sinharaja MAB reserve, Sri Lanka. Proceedings of the 57th Annual Sessions of Sri Lanka Association for the Advancement of Science. Pp. 171.
  • Kathriarachchi H. S., Tennakoon K. U., Gunatilleke, C. V. S., Gunatilleke I. A. U. N. and Ashton P. M. S. (2001). Ecophysiology of two liana species Calamus ovoideus and Coscinium fenestratum under different canopy removal treatments in a Pinus enrichment trial in the buffer zone of Sinharaja MAB reserve, Sri Lanka. Proceedings of the 7th annual forestry and environmental symposium, 2001. Department of forestry and environmental science, University of Sri Jayawardenapura, Sri Lanka.Pp. 13.
  • Kathriarachchi H. S. and Tennakoon K. U. (1999). A preliminary investigation on the biology of Santalum album (Sandalwood) in Sri Lanka. Proceedings of the 55th Annual Sessions of Sri Lanka Association for the Advancement of Science. Pp. 147–148.
  • Kathriarachchi H. S. and Tennakoon K. U. (1999). Biology of Santalum album L.– A potential high value tree species for the Sri Lankan tree farmers. Annual Research Session, 1999–Proceedings and Abstracts, University of Peradeniya, Sri Lanka. Pp. 31.