Research Paper

Camellia wumingensis (Theaceae), a neglected species from Guangxi, China

Hai-Ling Chen, Su-Juan Wei, Shao-Qing Tang, Yan Liu

Published on: 12 November 2023

Page: 472 - 479

DOI: 10.6165/tai.2023.68.472

  • BibTeX
    •
  • EndNote
    •
  • RIS
    •

    Abstract

    Camellia wumingensis, a neglected species known only from limestone areas of Guangxi, China, is formally described and illustrated here. It is morphologically similar to C. flavida var. patens in having current-year branchlets purplish red, petiole adaxially grooved, flowers axillary or terminal, ovary glabrous, capsule oblate, and seeds brown, but is readily distinguished by the leaf texture and size, number of secondary veins, flower size, flower bud shape and size, number of petals, degree of fusion of the outer filaments, and pericarp thickness. Other related species C. flavida and C. pinguoensis var. terminalis are also compared with C. wumingensis in the paper, and the differences between them are obvious. In addition to a diagnosis and detailed description, information on the geographical distribution, images of morphological characters and pollen grains, and a provisional conservation status assessment are provided for this species.

    Keyword: Camellia flavida, Camellia pingguoensis var. terminalis, limestone areas, morphology, palynology, taxonomy

    Literature Cited

    Ao, C.-Q., Chen, G.-X., Zhang, G.-P., Gao, K., Chang, H.-T. 2002 Study on Micromorphology of Pollen Exine Surface in Camellia. Acta Bot. Yunnan. 24(5): 619–626.

    Bachman, S., Moat, J., Hill, A.-W., de la Torre, J., Scott, B. 2011 Supporting Red List threat assessments with GeoCAT; geospatial conservation assessment tool. ZooKeys 150: 117–126.
    DOI: 10.3897/zookeys.150.2109View Article Google Scholar

    Chang, H.-T. 1981 A taxonomy of the genus Camellia. Acta Sci. Nat. Univ. Sunyatseni Monograph Series 1: 1–180.

    Chang, H.-T. 1991 A revision of the section Chrysantha of Camellia. Acta Sci. Nat. Univ. Sunyatseni. 30(2): 76–84.

    Chang, H.-T., Ren, S.-X. 1998 Theaceae. In Flora Reipublicae Popularis Sinicae. Science Press, Beijing.

    Chen, Y., Gong, S.-X., Xu, X., Jun, J., Zhang, T.-J., Hou, X.-T., Deng, J.-G 2022 Research progress on chemical constituents and pharmacological studies of Camellia nitidissima. Drug Evaluation Research 45(3): 575–582.

    ESRI 2009 ArcMap 9.2. ESRI, Redlands, CA.

    Gao, J.-Y, Clifford, R.-P., Du, Y.-Q. 2005 Collected species of the genus Camellia: an illustrated outline. Zhejiang Science and Technology Press, Hangzhou.

    He, D.-Y., Li, X.-Y., Wang, L.-L., Zhang, P., Li, S.-Y., Xu, Y.-P. 2016 Chemical constituents and pharmacological effects of Camellia nitidissima. Chin. J. Exp. Tradit. Med. Form. 22(3): 231–234.

    Hu, R.-C., Wei, S.-J., Liufu, Y.-Q., Nong, Y.-K., Fang, W. 2019 Camellia debaoensis (Theaceae), a new species of yellow camellia from limestone karsts in southwestern China. PhytoKeys 135(3): 49–58.
    DOI: 10.3897/phytokeys.135.38756View Article Google Scholar

    Huang, L.-D., Liang, S.-Y., Ye, C.-X. 2014 A new species of Camellia from Guangxi, China. Landscape Plant Study & Application 36(1): 69–70.

    IUCN 2022 Guidelines for Using the IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Committee. Available from: https://www.iucnredlist.org/resources/redlistguidelines (accessed 15 February 2022)

    Le, N.-H.-N., Luong, V.-D., Nguyen, V.-C., Pham, T.-T.-D., Luu, T.-T., Pham, V.-T. 2020 An updated checklist of theaceae and a new species of polyspora from Vietnam. Taiwania 65(2): 216–227.
    DOI: 10.6165/tai.2020.65.216View Article Google Scholar

    Liang, S.-Y. 1990 Preliminary study of yellow Camellia in Guangxi. Guangxi Forest Sci. Tech. 1: 16–18.

    Liang, S.-Y. 1993 Yellow Camellia. China Forestry Publishing House, Beijing.

    Liang, S.-Y. 2007 The world list of Camellia. Guangxi Forest Sci. 36(4): 221–223.

    Liu, Z.-W., Fang, W., Liu, E.-D., Zhao, M., He, Y.-F., Yang, S.-Q. 2019 Camellia mingii, a new species of yellow camellias from Southeast Yunnan, China. Phytotaxa 393(1): 47–56.
    DOI: 10.11646/phytotaxa.393.1.4View Article Google Scholar

    Liu, Z.-W, Chai, S.-F., Wu, F.-Y., Ye, P.-M., Jiang, C.-J., Zhang, Z.-R., Yu, X.-Q., Ma, J.-L., Yang, S.-X. 2020 Camellia rostrata, a new species of yellow camellias from Southwest China. Phytotaxa 459(1): 61–68.
    DOI: 10.11646/phytotaxa.459.1.6View Article Google Scholar

    Ming, T.-L. 2000 Monograph of the Genus Camellia. Yunnan Science and Technology Press, Kunming.

    Ming, T.-L., Bartholomew, B. 2007 Theaceae. In: Wu, Z.Y., Raven, P.H., Hong, D.Y. (eds.), Flora of China, 12: 366–478. Science Press, Beijing, & Missouri Botanical Garden Press, St. Louis.

    Ming, T. -L., Zhang, W. -J. 1993 On taxonomic problems of sect. Archecamellia Sealy and sect. Chrysantha Chang in the genus Camellia. Act. Bot. Yunnan. 15: 1–15.

    Qin, L.-J, Hao, X.-D., Ouyang, C.-H., Liao, N.-Y., Li, L.-X., Xue, M.-L., Lao, Y.-Y., Wei, J.-S. 2023 Pollen morphology and taxonomic significance of main species of Sect. Chrysantha Chang in Guangxi. Acta Micropalaeontologica Sinica: 1–20. DOI:10.16087/j.cnki.1000-0674.20230726.001.

    Tang, S.-Q., Shi, S.-H., Yang, Z., Yan, W. 2004 Phylogenetic relationships of golden camellias (sect. Chrysantha, Camellia) in China: Evidence from ITS sequences of nuclear ribosomal DNA. Guihaia 24(6): 488–492.

    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 International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile 159. Glash?tten: Koeltz Botanical Books.
    DOI: 10.12705/Code.2018View Article

    Wang, X.-L. 1985 Observation of pollen morphology of several yellow Camellias (Theaceae) under scanning electron microscope. J. Wuhan Bot. Res. 3(2): 131–139.
    DOI: 10.1002/sca.4950070506View Article Google Scholar

    Wei, S.-J., Liufu, Y.-Q., Zheng, H.-W., Chen, H.-L., Lai, Y.-C., Liu, Y., Ye, Q.-Q., Tang, S.-Q. 2022 Using phylogenomics to untangle the taxonomic incongruence of yellow?flowered Camellia species (Theaceae) in China. J. Syst. Evol. 61(5): 748–763.
    DOI: 10.1111/jse.12915View Article Google Scholar

    Wu, S.-Y., Liang, X.-J., Wei, X.-J., Wang, K. Liao, J.-M. 2019 Analysis on leaf phenotypic differences of Chinese and Vietnamese Camellia section Chrysantha Chang. Guangxi Forestry Sci. 48(3): 337–341.

    Ye, C.-X., Chang, H.-T., Xu, Z.-R. 1993 A systematic study on Camellia sect. Chrysantha Chang, a group of rare limestone plants. Guihaia (Additamentum 4): 115–149.

    Ye, Q.-Q., Xue, Y.-G. 2013. Comparisions of morphological characters of some Camellia species which were reduced to Camellia flavida H.T.Chang and discussion on their taxonomic status. Act. Sci. Nat. Univ. Sunyatseni 52(3): 103–111.

    Zhang, Q., Wu, F.-Y., Huang, Y.-H., Ma, J.-L., Yang, S.-X. 2022. Camellia piloflora (Theaceae), a new yellow camellia from Guangxi, South China. Phytotaxa 574(2): 179–184.
    DOI: 10.11646/phytotaxa.574.2.7View Article Google Scholar