Abstract
Syzygium namborense is described and illustrated as a new species from the Nambor Reserve Forest, Assam, India. It resembles Syzygium nervosum in having glabrous, chartaceous and aromatic leaves, paniculate inflorescences with second order branching, calyptrate flowers, numerous stamens and equal number of petals in the calyptra but differs from it in having more compressed branchlets with shorter nodes and greater number of leaves, shorter acumen, strictly elliptic leaves with acuminate apex and cuneate base, greater number of lateral veins, intramarginal vein uniform along the blade, sessile yellowish white flowers with obconical hypanthium and a higher number of ovules per locule.
References
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Balakrishnan, N.P. (1981) Flora of Jowai 1. Botanical Survey of India, Howrah, India, pp. 198–201.
Brambach, F., Byng, J.W. & Culmsee, H. (2017) Five new species of Syzygium (Myrtaceae) from Sulawesi, Indonesia. PhytoKeys 81: 47–78. https://doi.org/10.3897/phytokeys.81.13488
Brown, R. (1820) In: Roxburgh, W. (Ed.) Plants of the coast of Coromandel; selected from drawings and descriptions presented to the hon. court of directors of the East India Company 3. Bulmer & Co., London, 95 pp. https://doi.org/10.5962/bhl.title.467
Byng, J.W., Wilson, P.G. & Snow, N. (2015) Typifications and nomenclatural notes on Indian Myrtaceae Phytotaxa 217 (2): 101–116. https://doi.org/10.11646/phytotaxa.217.2.1
Candolle, A.P. de (1828) Myrtaceae. In Candolle, A.P. de (Ed.) Prodromus Systematis Naturalis Regni Vegetabilis 3. Treuttel et Wurts, Paris, pp. 207–296. https://doi.org/10.5962/bhl.title.286
Chauhan, A.S. (2000) Myrtaceae. In: Singh, N.P., Chauhan, A.S. & Monda, M.S. (Eds.) Flora of Manipur Vol.1. Botanical Survey of India, Calcutta, pp. 385–388.
Chithra, V. (1983) Myrtaceae. In: Nair, N.C. & Henry, A.N. (Eds.) Flora of Tamil Nadu, India. Series 1: Analysis. Vol.1. Botanical Survey of India, Coimbatore, pp. 150–158.
Deb, D.B. (1981) The Flora of Tripura State. Vol. 1. Today & Tomorrow’s Printers and Publishers, India, pp. 366–373.
Duthie, J.F. (1879) Myrtaceae. In: Hooker, J.D. (Ed.) Flora of British India 2. L. Reeve & Co., London. pp. 462–506. https://doi.org/10.5962/bhl.title.678
Gaertner, J. (1788) De Fructibus et Seminibus Plantarum Stvtgardiae 1. Academiae Carolinae Stvtgardiae, 577 pp. https://doi.org/10.5962/bhl.title.53838
Hajra, P.K., Verma, D.M. & Giri, G.S. (1996) Materials for the Flora of Arunachal Pradesh. Vol.1: Ranunculaceae to Dipsacaceae. Botanical Survey of India, Kolkata, pp. 470–479.
Haridasan, K. & Rao, R.R. (1985) Forest ?ora of Meghalaya. Vol. 1. B.S.M.P.S., Dehra Dun, India, pp. 386–403.
Kanjilal, U.N., Kanjilal, P.C. & Das, A. (1938) Myrtaceae. In: Kanjilal, U.N., Kanjilal, P.C. & Das, A. (Eds.) Flora of Assam 2. Government of Assam, Shillong, India, pp. 257–287.
King, R.M. & Robinson, H. (1970) Studies in the Eupatorieae (Compositae) XXI. The genus Chromolaena. Phytologia 20 (3): 196–209. https://doi.org/10.5962/bhl.part.7118
Kulkarni, B.G. (2001) Myrtaceae. In: Singh, N.P., Lakshminarasimhan, P., Karthikeyan, S. & Prasanna, P.V. (Eds.) Flora of Maharashtra State. Vol.2. Botanical Survey of India, Howrah, India, pp. 7–16.
Lindley, J. (1844) Clerodendron glandulosum. Edward’s Botanical Register 30: 1–19.
Linnaeus, C. (1753) Species Plantarum 1. L. Salvius, Stockholm, pp. 200–471. https://doi.org/10.5962/bhl.title.669
Linnaeus, C. (1759) Systema Naturae, 10<sup>th</sup> ed., vol. 2, 1205 pp. https://doi.org/10.5962/bhl.title.542
Loureiro, J. (1790) Flora Cochinchinensis 1. Ulyssipone, Lisbon, 296 pp. https://doi.org/10.5962/bhl.title.40199
Merrill, E.D. (1919) Additional notes on the Kwangtung Flora. The Philippine Journal of Science 15: 1–249.
Murugan, C. & Manickam, V.S. (2004) Two additions to Myrtaceae of India. Journal of Economic and Taxonomic Botany 28: 523–526.
Nayar, T.S., Beegam, A.R., Mohanan, N. & Rajkumar, G. (2006) Flowering Plants of Kerala – A Handbook. TBGRI, Thiruvananthapuram, Kerala, pp. 445–455.
Nayar, T.S., Beegam, A.R. & Sibi, M. (2014) Flowering Plants of the Western Ghats, India. Jawaharlal Nehru Tropical Botanical Garden and Research Institute, pp. 669–687 & 1252 pp.
Pal, G.D. (2013) Flora of Lower Subansiri district, Arunachal Pradesh (India) Vol.1. Botanical Survey of India, Kolkata, pp. 317–322.
Ramana, M.V., Chorghe, A. & Venu, P. (2014) Two new species of Syzygium (Myrtaceae) from Saddle Peak National Park, Andaman and Nicobar Islands, India. Blumea 59: 42–48. https://doi.org/10.3767/000651914X683593
Ramasubbu, R., Surendran, A., Chelladurai, D., Nambi, S.K. & Gurusamy, M. (2018) A new species of Syzygium (Myrtaceae) from the South Western Ghats of Tamil Nadu, India. Phytotaxa 374 (3): 263–267. https://doi.org/10.11646/phytotaxa.374.3.8
Ramasubbu, R., Surendran, A & Kasi, K.S. (2020) Syzygium anamalaianum (Myrtaceae), a new tree species from the Western Ghats of Tamil Nadu, India. Phytotaxa 450 (2): 237–242. https://doi.org/10.11646/phytotaxa.450.2.9
Robi, A.J., Sujanapal, P. & Sasidharan, N. (2014) Syzygium sahyadricum (Myrtaceae), a new tree species from India, and notes on the distribution of S. spathulatum Thwaites. Phytotaxa 174 (5): 285–290. https://doi.org/10.11646/phytotaxa.174.5.5
Roxburgh, R. (1832) Flora Indica; or, Descriptions of Indian Plants 2. Serampore: printed for W. Thacker and Co. Calcutta and Parbury, Allen and Co. London, pp. 482–497. https://doi.org/10.5962/bhl.title.590
Saldanha, C.J. (1996) Flora of Karnataka. Vol. 2. Oxford & IBH Publishing, New Delhi, India, pp. 23–32.
Sarma, J., Barbhuiya, H.A. & Dey, S. (2019) A new rheophytic species of Syzygium Gaertn. (Myrtaceae) from Assam, North East India. Adansonia 3: 53–58. https://doi.org/10.5252/adansonia2019v41a6
Shareef, S.M., Santhosh Kumar, E.S. & Shaju, T. (2012) A new species of Syzygium (Myrtaceae) from the southern Western Ghats of Kerala, India. Phytotaxa 71: 28–33. https://doi.org/10.11646/phytotaxa.71.1.5
Shareef, S.M., Santhosh Kumar, E.S. & Roy, P.E. (2013) A new species of Syzygium (Myrtaceae) from Kerala, India. Phytotaxa 129: 34–38. https://doi.org/10.11646/phytotaxa.129.1.2
Shareef, S.M. & Santhosh Kumar, E.S. (2020) Census of Syzygium Gaertn. (Myrtaceae) in India. Abrahamia 6 (2): 90–107.
Singh, K.P. (2002) Myrtaceae. In: Singh, N.P., Singh, K.P. & Singh, D.K. (Eds.) Flora of Mizoram. Vol.1. Botanical Survey of India, Calcutta, pp. 585–594.
Skeels, H.C. (1912) 31571 Syzygium cumini. In: Galloway, B.T. (Ed.) Seeds and plants imported during the period from July 1 to September 30, 1911: Inventory No. 28. Bulletin, Bureau of Plant Industry, United States Department of Agriculture 25: 1–248.
Soh, W.K. & Parnell, J. (2015) A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam). Adansonia 3: 179–275. https://doi.org/10.5252/a2015n2a1
Sreekala, A.K., Pillai, D.S., Akhil, R., Surendran, A & Ramasubbu, R. (2019) A new species of Syzygium (Myrtaceae) from the Agasthyamalai Biosphere Reserve, Kerala, India. Phytotaxa 403: 66–70. https://doi.org/10.11646/phytotaxa.403.1.6
Sujanapal, P., Robi, A.J., Udayan, P.S. & Dantus, K.J. (2013) Syzygium sasidharanii sp. nov. (Myrtaceae)- A new species with edible fruits from Agasthyamala Hills of Western Ghats. India. International Journal of Advanced Research 5: 44–48.
Turner, I.M. & Gandhi, K.N. (2005) A correction in Cleistocalyx (Myrtaceae). Garden’s Bulletin Singapore 57: 25–27.
Viswanathan, M.B. & Manikandan, U. (2008) A new species of Syzygium (Myrtaceae) from the Kalakkad Mundanthurai Tiger Reserve in Peninsular India. Adansonia Ser.3. 30 (1): 113–118.
WCSP (2020) World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Available from: http://wcsp.science.kew.org (accessed 7 March 2022)
Balakrishnan, N.P. (1981) Flora of Jowai 1. Botanical Survey of India, Howrah, India, pp. 198–201.
Brambach, F., Byng, J.W. & Culmsee, H. (2017) Five new species of Syzygium (Myrtaceae) from Sulawesi, Indonesia. PhytoKeys 81: 47–78. https://doi.org/10.3897/phytokeys.81.13488
Brown, R. (1820) In: Roxburgh, W. (Ed.) Plants of the coast of Coromandel; selected from drawings and descriptions presented to the hon. court of directors of the East India Company 3. Bulmer & Co., London, 95 pp. https://doi.org/10.5962/bhl.title.467
Byng, J.W., Wilson, P.G. & Snow, N. (2015) Typifications and nomenclatural notes on Indian Myrtaceae Phytotaxa 217 (2): 101–116. https://doi.org/10.11646/phytotaxa.217.2.1
Candolle, A.P. de (1828) Myrtaceae. In Candolle, A.P. de (Ed.) Prodromus Systematis Naturalis Regni Vegetabilis 3. Treuttel et Wurts, Paris, pp. 207–296. https://doi.org/10.5962/bhl.title.286
Chauhan, A.S. (2000) Myrtaceae. In: Singh, N.P., Chauhan, A.S. & Monda, M.S. (Eds.) Flora of Manipur Vol.1. Botanical Survey of India, Calcutta, pp. 385–388.
Chithra, V. (1983) Myrtaceae. In: Nair, N.C. & Henry, A.N. (Eds.) Flora of Tamil Nadu, India. Series 1: Analysis. Vol.1. Botanical Survey of India, Coimbatore, pp. 150–158.
Deb, D.B. (1981) The Flora of Tripura State. Vol. 1. Today & Tomorrow’s Printers and Publishers, India, pp. 366–373.
Duthie, J.F. (1879) Myrtaceae. In: Hooker, J.D. (Ed.) Flora of British India 2. L. Reeve & Co., London. pp. 462–506. https://doi.org/10.5962/bhl.title.678
Gaertner, J. (1788) De Fructibus et Seminibus Plantarum Stvtgardiae 1. Academiae Carolinae Stvtgardiae, 577 pp. https://doi.org/10.5962/bhl.title.53838
Hajra, P.K., Verma, D.M. & Giri, G.S. (1996) Materials for the Flora of Arunachal Pradesh. Vol.1: Ranunculaceae to Dipsacaceae. Botanical Survey of India, Kolkata, pp. 470–479.
Haridasan, K. & Rao, R.R. (1985) Forest ?ora of Meghalaya. Vol. 1. B.S.M.P.S., Dehra Dun, India, pp. 386–403.
Kanjilal, U.N., Kanjilal, P.C. & Das, A. (1938) Myrtaceae. In: Kanjilal, U.N., Kanjilal, P.C. & Das, A. (Eds.) Flora of Assam 2. Government of Assam, Shillong, India, pp. 257–287.
King, R.M. & Robinson, H. (1970) Studies in the Eupatorieae (Compositae) XXI. The genus Chromolaena. Phytologia 20 (3): 196–209. https://doi.org/10.5962/bhl.part.7118
Kulkarni, B.G. (2001) Myrtaceae. In: Singh, N.P., Lakshminarasimhan, P., Karthikeyan, S. & Prasanna, P.V. (Eds.) Flora of Maharashtra State. Vol.2. Botanical Survey of India, Howrah, India, pp. 7–16.
Lindley, J. (1844) Clerodendron glandulosum. Edward’s Botanical Register 30: 1–19.
Linnaeus, C. (1753) Species Plantarum 1. L. Salvius, Stockholm, pp. 200–471. https://doi.org/10.5962/bhl.title.669
Linnaeus, C. (1759) Systema Naturae, 10<sup>th</sup> ed., vol. 2, 1205 pp. https://doi.org/10.5962/bhl.title.542
Loureiro, J. (1790) Flora Cochinchinensis 1. Ulyssipone, Lisbon, 296 pp. https://doi.org/10.5962/bhl.title.40199
Merrill, E.D. (1919) Additional notes on the Kwangtung Flora. The Philippine Journal of Science 15: 1–249.
Murugan, C. & Manickam, V.S. (2004) Two additions to Myrtaceae of India. Journal of Economic and Taxonomic Botany 28: 523–526.
Nayar, T.S., Beegam, A.R., Mohanan, N. & Rajkumar, G. (2006) Flowering Plants of Kerala – A Handbook. TBGRI, Thiruvananthapuram, Kerala, pp. 445–455.
Nayar, T.S., Beegam, A.R. & Sibi, M. (2014) Flowering Plants of the Western Ghats, India. Jawaharlal Nehru Tropical Botanical Garden and Research Institute, pp. 669–687 & 1252 pp.
Pal, G.D. (2013) Flora of Lower Subansiri district, Arunachal Pradesh (India) Vol.1. Botanical Survey of India, Kolkata, pp. 317–322.
Ramana, M.V., Chorghe, A. & Venu, P. (2014) Two new species of Syzygium (Myrtaceae) from Saddle Peak National Park, Andaman and Nicobar Islands, India. Blumea 59: 42–48. https://doi.org/10.3767/000651914X683593
Ramasubbu, R., Surendran, A., Chelladurai, D., Nambi, S.K. & Gurusamy, M. (2018) A new species of Syzygium (Myrtaceae) from the South Western Ghats of Tamil Nadu, India. Phytotaxa 374 (3): 263–267. https://doi.org/10.11646/phytotaxa.374.3.8
Ramasubbu, R., Surendran, A & Kasi, K.S. (2020) Syzygium anamalaianum (Myrtaceae), a new tree species from the Western Ghats of Tamil Nadu, India. Phytotaxa 450 (2): 237–242. https://doi.org/10.11646/phytotaxa.450.2.9
Robi, A.J., Sujanapal, P. & Sasidharan, N. (2014) Syzygium sahyadricum (Myrtaceae), a new tree species from India, and notes on the distribution of S. spathulatum Thwaites. Phytotaxa 174 (5): 285–290. https://doi.org/10.11646/phytotaxa.174.5.5
Roxburgh, R. (1832) Flora Indica; or, Descriptions of Indian Plants 2. Serampore: printed for W. Thacker and Co. Calcutta and Parbury, Allen and Co. London, pp. 482–497. https://doi.org/10.5962/bhl.title.590
Saldanha, C.J. (1996) Flora of Karnataka. Vol. 2. Oxford & IBH Publishing, New Delhi, India, pp. 23–32.
Sarma, J., Barbhuiya, H.A. & Dey, S. (2019) A new rheophytic species of Syzygium Gaertn. (Myrtaceae) from Assam, North East India. Adansonia 3: 53–58. https://doi.org/10.5252/adansonia2019v41a6
Shareef, S.M., Santhosh Kumar, E.S. & Shaju, T. (2012) A new species of Syzygium (Myrtaceae) from the southern Western Ghats of Kerala, India. Phytotaxa 71: 28–33. https://doi.org/10.11646/phytotaxa.71.1.5
Shareef, S.M., Santhosh Kumar, E.S. & Roy, P.E. (2013) A new species of Syzygium (Myrtaceae) from Kerala, India. Phytotaxa 129: 34–38. https://doi.org/10.11646/phytotaxa.129.1.2
Shareef, S.M. & Santhosh Kumar, E.S. (2020) Census of Syzygium Gaertn. (Myrtaceae) in India. Abrahamia 6 (2): 90–107.
Singh, K.P. (2002) Myrtaceae. In: Singh, N.P., Singh, K.P. & Singh, D.K. (Eds.) Flora of Mizoram. Vol.1. Botanical Survey of India, Calcutta, pp. 585–594.
Skeels, H.C. (1912) 31571 Syzygium cumini. In: Galloway, B.T. (Ed.) Seeds and plants imported during the period from July 1 to September 30, 1911: Inventory No. 28. Bulletin, Bureau of Plant Industry, United States Department of Agriculture 25: 1–248.
Soh, W.K. & Parnell, J. (2015) A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam). Adansonia 3: 179–275. https://doi.org/10.5252/a2015n2a1
Sreekala, A.K., Pillai, D.S., Akhil, R., Surendran, A & Ramasubbu, R. (2019) A new species of Syzygium (Myrtaceae) from the Agasthyamalai Biosphere Reserve, Kerala, India. Phytotaxa 403: 66–70. https://doi.org/10.11646/phytotaxa.403.1.6
Sujanapal, P., Robi, A.J., Udayan, P.S. & Dantus, K.J. (2013) Syzygium sasidharanii sp. nov. (Myrtaceae)- A new species with edible fruits from Agasthyamala Hills of Western Ghats. India. International Journal of Advanced Research 5: 44–48.
Turner, I.M. & Gandhi, K.N. (2005) A correction in Cleistocalyx (Myrtaceae). Garden’s Bulletin Singapore 57: 25–27.
Viswanathan, M.B. & Manikandan, U. (2008) A new species of Syzygium (Myrtaceae) from the Kalakkad Mundanthurai Tiger Reserve in Peninsular India. Adansonia Ser.3. 30 (1): 113–118.
WCSP (2020) World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Available from: http://wcsp.science.kew.org (accessed 7 March 2022)