Abstract
N/A
References
<p>Blume, C.L. (1826) <em>Bijdragen tot de flora van Nederlandsch Indië </em>16<em>. </em>Lands Drukkerij, Batavia, pp. 943–1066. https://doi.org/10.5962/bhl.title.6656</p>
<p>Bremekamp, C.E.B. (1952) The African species of Oldenlandia L. sensu Hiern et K. Schumann. <em>Verhandelingen der Koninklijke Nederlandsche Akademie van Wetenschappen. Afdeeling Natuurkunde, Sectie 2</em> 48 (2): 1–297.</p>
<p>Bremekamp, C.E.B. (1966) Remarks on the position, the delimitation and the subdivision of the Rubiaceae.<em> Acta Botanica Neerlandica </em>15: 1–33. https://doi.org/10.1111/j.1438-8677.1966.tb00207.x</p>
<p>Bremer, B. & Eriksson, O. (2009) Time tree of Rubiaceae: Phylogeny and dating the family, subfamily, and tribes. <em>International Journal of Plant Science </em>170: 766–793. https://doi.org/10.1086/599077</p>
<p>Bremer, B. & Manen, J.F. (2000) Phylogeny and classification of the subfamily Rubioideae (Rubiaceae). <em>Plant Systematics and Evolution</em> 225: 43–72. https://doi.org/10.1007/BF00985458</p>
<p>Chen, T. & Taylor, C.M. (2011) <em>Ophiorrhiza</em>. <em>In</em>: Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China </em>19. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 258–282.</p>
<p>Craib, W.G. (1932) <em>Florae Siamensis enumeratio: a list of the plants known from Siam with records of their occurrence </em>2 (1). Siam Society, Bangkok, 146 pp.</p>
<p>Darwin, S.P. (1976) The Pacific species of <em>Ophiorrhiza </em>L. (Rubiaceae). <em>Lyonia</em> 1 (2): 48–101.</p>
<p>Deb, D.B. & Rout, R.C. (1989) Two new species of the genus <em>Spiradiclis </em>(Rubiaceae) from India. <em>Candollea</em> 44: 225–229.</p>
<p>Deng, Y.F. & Huang, Y.F. (2012) <em>Ophiorrhiza loana</em>, a new name for <em>Ophiorrhiza longipes </em>H.S. Lo (Rubiaceae). <em>Phytotaxa</em> 49: 34. https://doi.org/10.11646/phytotaxa.49.1.5</p>
<p>Hooker, J.D. (1880 “1882”) Order LXXV. Rubiaceae. <em>In</em>: Hooker, J.D. (Ed.) <em>Flora of British India</em> 3 (7). Reeve, London, pp. 17–192. https://doi.org/10.5962/bhl.title.678</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum </em>1. Impensis Laurentii Salvii, Holmiae, 560 pp.</p>
<p>Lo, H.S. (1990) Taxonomic Revision of the Chinese species of <em>Ophiorrhiza </em>(Rubiaceae). <em>Bulletin of Botanical Research </em>10 (2): 1–82.</p>
<p>Lo, H.S. (1999) <em>Spiradiclis </em>Bl. (Rubiaceae).<em> In</em>: Lo, H.S. (Ed.) <em>Flora Reipublicae Popularis Sinicae </em>71 (1). Science press, Beijing, pp. 86–110.</p>
<p>Nhuyen, T.T., Wei, Y.G., Wen, F., Le, K.D. & Do, T.V. (2020) <em>Ophiorrhiza hoanglienensis </em>(Rubiaceae), a new species from north-western Vietnam. <em>Phytotaxa </em>438 (4): 256–262. https://doi.org/10.11646/phytotaxa.438.4.4</p>
<p>Razafimandimbison, S.G. & Rydin, C. (2019) Molecular-based assessments of tribal and generic limits and relationships in Rubiaceae (Gentianales): Polyphyly of Pomazoteae and paraphyly of Ophiorrhizeae and <em>Ophiorrhiza. Taxon</em> 68: 72–91. https://doi.org/10.1002/tax.12023</p>
<p>Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.-H., Li, D.-Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prodo, J., Price, M.J. & Smith, G.F. (2018) <em>International code of nomenclature for algae, fungi and plants (Shenzhen Code)</em>. Regnum Vegetabile 159. Koeltz Scientific Books, Koenigstein, 254 pp. https://doi.org/10.12705/Code.2018</p>
<p>Wang, R.J. (2002) Two new species of Spiradiclis (Rubiaceae) from China. <em>Novon</em> 12: 420–423. https://doi.org/10.2307/3393092</p>
<p>Bremekamp, C.E.B. (1952) The African species of Oldenlandia L. sensu Hiern et K. Schumann. <em>Verhandelingen der Koninklijke Nederlandsche Akademie van Wetenschappen. Afdeeling Natuurkunde, Sectie 2</em> 48 (2): 1–297.</p>
<p>Bremekamp, C.E.B. (1966) Remarks on the position, the delimitation and the subdivision of the Rubiaceae.<em> Acta Botanica Neerlandica </em>15: 1–33. https://doi.org/10.1111/j.1438-8677.1966.tb00207.x</p>
<p>Bremer, B. & Eriksson, O. (2009) Time tree of Rubiaceae: Phylogeny and dating the family, subfamily, and tribes. <em>International Journal of Plant Science </em>170: 766–793. https://doi.org/10.1086/599077</p>
<p>Bremer, B. & Manen, J.F. (2000) Phylogeny and classification of the subfamily Rubioideae (Rubiaceae). <em>Plant Systematics and Evolution</em> 225: 43–72. https://doi.org/10.1007/BF00985458</p>
<p>Chen, T. & Taylor, C.M. (2011) <em>Ophiorrhiza</em>. <em>In</em>: Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China </em>19. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, pp. 258–282.</p>
<p>Craib, W.G. (1932) <em>Florae Siamensis enumeratio: a list of the plants known from Siam with records of their occurrence </em>2 (1). Siam Society, Bangkok, 146 pp.</p>
<p>Darwin, S.P. (1976) The Pacific species of <em>Ophiorrhiza </em>L. (Rubiaceae). <em>Lyonia</em> 1 (2): 48–101.</p>
<p>Deb, D.B. & Rout, R.C. (1989) Two new species of the genus <em>Spiradiclis </em>(Rubiaceae) from India. <em>Candollea</em> 44: 225–229.</p>
<p>Deng, Y.F. & Huang, Y.F. (2012) <em>Ophiorrhiza loana</em>, a new name for <em>Ophiorrhiza longipes </em>H.S. Lo (Rubiaceae). <em>Phytotaxa</em> 49: 34. https://doi.org/10.11646/phytotaxa.49.1.5</p>
<p>Hooker, J.D. (1880 “1882”) Order LXXV. Rubiaceae. <em>In</em>: Hooker, J.D. (Ed.) <em>Flora of British India</em> 3 (7). Reeve, London, pp. 17–192. https://doi.org/10.5962/bhl.title.678</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum </em>1. Impensis Laurentii Salvii, Holmiae, 560 pp.</p>
<p>Lo, H.S. (1990) Taxonomic Revision of the Chinese species of <em>Ophiorrhiza </em>(Rubiaceae). <em>Bulletin of Botanical Research </em>10 (2): 1–82.</p>
<p>Lo, H.S. (1999) <em>Spiradiclis </em>Bl. (Rubiaceae).<em> In</em>: Lo, H.S. (Ed.) <em>Flora Reipublicae Popularis Sinicae </em>71 (1). Science press, Beijing, pp. 86–110.</p>
<p>Nhuyen, T.T., Wei, Y.G., Wen, F., Le, K.D. & Do, T.V. (2020) <em>Ophiorrhiza hoanglienensis </em>(Rubiaceae), a new species from north-western Vietnam. <em>Phytotaxa </em>438 (4): 256–262. https://doi.org/10.11646/phytotaxa.438.4.4</p>
<p>Razafimandimbison, S.G. & Rydin, C. (2019) Molecular-based assessments of tribal and generic limits and relationships in Rubiaceae (Gentianales): Polyphyly of Pomazoteae and paraphyly of Ophiorrhizeae and <em>Ophiorrhiza. Taxon</em> 68: 72–91. https://doi.org/10.1002/tax.12023</p>
<p>Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.-H., Li, D.-Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prodo, J., Price, M.J. & Smith, G.F. (2018) <em>International code of nomenclature for algae, fungi and plants (Shenzhen Code)</em>. Regnum Vegetabile 159. Koeltz Scientific Books, Koenigstein, 254 pp. https://doi.org/10.12705/Code.2018</p>
<p>Wang, R.J. (2002) Two new species of Spiradiclis (Rubiaceae) from China. <em>Novon</em> 12: 420–423. https://doi.org/10.2307/3393092</p>