Abstract
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References
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB"><em>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., Prado, J., Price, M.J. & Smith, G.F. (eds.) (2018) </em></span><span lang="en-GB"><em>International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017</em></span><span lang="en-GB">. Regnum Vegetabile 159. Koeltz Botanical Books, Glashütten. https://doi.org/10.12705/Code.2018</span></span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB">Vanijajiva, O. & Kadereit, J.W. (2011) A revision of </span><span lang="en-GB"><em>Gynura</em></span><span lang="en-GB"> (Asteraceae: Senecioneae). </span><span lang="en-GB"><em>Journal of Systematics and Evolution</em></span><span lang="en-GB"> 49: 285–314. https://doi.org/10.1111/j.1759-6831.2011.00139.x</span></span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB">Vanijajiva, O. & Kadereit, J.W. (2011) A revision of </span><span lang="en-GB"><em>Gynura</em></span><span lang="en-GB"> (Asteraceae: Senecioneae). </span><span lang="en-GB"><em>Journal of Systematics and Evolution</em></span><span lang="en-GB"> 49: 285–314. https://doi.org/10.1111/j.1759-6831.2011.00139.x</span></span></span></span></p>