Abstract
Drepanolejeunea devendrae was newly discovered in the evergreen and montane forests in central, northeastern, and northern Thailand. Description and illustrations are provided. The details of androecium, gynoecium and asexual reproductive organ are described for the first time. The key reproductive characters of the species include male bracteoles restricted to the basal portion of the androecial shoot, obovate perianths with five entire horns and usually scattered or aggregate ocelli, the absence of gynoecial innovations, and asexual reproduction via cladia. An overview and comparison of gynoecia in all Thai Drepanolejeunea species is included.
References
- Bischler, H. (1968) Monographie du genre Rhaphidolejeunea Herzog. Revue Bryologique et Lichénologique 36: 56–104.
- Chantanaorrapint, S., Boonkerd, T. & Thaithong, O. (2004) Checklist of bryophytes at the summit of Khao Luang, Huai Yang waterfall National Park, Prachuap Khiri Khan Province, Thailand. Natural History Bulletin of the Siam Society 52: 163–179.
- Chen, P.-C. (1955) Bryophyta nova sinica. Feddes Repertorium Specierum Novarum Regni Vegetabilis 58: 23–52.
- Gottsche, C.M. (1882) Reliquiae Rutenbergianae Lebermoose. Abhandlungen Herausgegeben vom Naturwissenschaftlichen Vereins zu Bremen 7: 338–365.
- Gottsche, C.M., Lindenberg, J.B.W. & Nees, C.G. (1843) Hepaticae. In: Meyen, F.J.F. (Ed.) Observationes botanicas. Novorum Actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum 19 [suppl. 1]: 1–512.
- Gottsche, C.M., Lindenberg, J.B.W. & Nees, C.G. (1845) Synopsis Hepaticarum, fasc. 3. Meissner, Hamburg, pp. 305–464.
- Grolle, R. & Zhu, R.-L. (2000) A study of Drepanolejeunea subg. Rhaphidolejeunea (Herzog) Grolle & R.L. Zhu, stat. nov. (Hepaticae, Lejeuneaceae) in China with notes on its species elsewhere. Nova Hedwigia 70: 373–395. https://doi.org/10.1127/nova.hedwigia/70/2000/373
- He, Q., Zhu, R.-L., Chantanaorrapint, S., Kornochalert, S. & Printarakul, N. (2012) Drepanolejeunea laciniata (Lejeuneaceae), a new species from northern Thailand. Cryptogamie, Bryologie 33: 291–298. https://doi.org/10.7872/cryb.v33.iss3.2012.291
- He, X., Sun, Y. & Zhu, R.-L. (2013) The oil bodies of liverworts: Unique and important organelles in land plants. Critical Reviews in Plant Sciences 32 (5): 293–302. https://doi.org/10.1080/07352689.2013.765765
- Herzog, T. (1934) Studien über Drepanolejeunea II. Annales Bryologici 7: 57–94.
- Inuthai, J., Chantanaorrapint, S. & Zhu, R.-L. (2021) The liverwort genus Drepanolejeunea subgenus Rhaphidolejeunea (Lejeuneaceae, Marchantiophyta) in Thailand. Phytotaxa 522: 1–14. https://doi.org/10.11646/phytotaxa.522.1.1
- Inuthai, J., Zhu, R.-L. & Chantanaorrapint, S. (2014) Drepanolejeunea actinogyna (Lejeuneaceae), a new species from southern Thailand. The Bryologist 117: 165–169. https://doi.org/10.1639/0007-2745-117.2.165
- Inuthai, J., Zhu, R.-L. & Chantanaorrapint, S. (2015) Taxonomic notes on Drepanolejeunea pleiodictya (Marchantiophyta, Lejeuneaceae), a little-known Asiatic species. Polish Botanical Journal 60: 13–17. https://doi.org/10.1515/pbj-2015-0012
- Jack, J.B. & Stephani, F. (1892) Hepaticae Wallisianae. Hedwigia 31 (1): 11–27.
- Lai, M.-J., Zhu, R.-L. & Chantanaorrapint, S. (2008) Liverworts and hornworts of Thailand: an updated checklist and bryofloristic accounts. Annales Botanici Fennici 45: 321–341. https://doi.org/10.5735/085.045.0501
- Mitten, W. (1860) Hepaticae Indiae Orientalis: an enumeration of the Hepaticae of the East Indies. Journal of the proceedings of the Linnean Society. Botany 5 (18): 89–128. https://doi.org/10.1111/j.1095-8312.1860.tb01045.x
- Mizutani, M. (1976) Studies of little known Asiatic species of Hepaticae in the Stephani Herbarium. 9. Some little known species of the family Lejeuneaceae. The Journal of the Hattori Botanical Laboratory 40: 441–446.
- Montagne, J.F.C. (1848) Sixième centurie de plantes cellulaires exotiques nouvelles. Décades I et II. Annales des Sciences Naturelles; Botanique (sér. 3) 10: 106–136.
- Pócs, T. & Podani, J. (2015) Southern Thailand Bryophytes II: Epiphylls from the Phang-Nga area. Acta Botanica Hungarica 57: 183–198. https://doi.org/10.1556/ABot.57.2015.1-2.14
- Schäfer-Verwimp, A., Bechteler, J., Van Melick, H., Renner, M.A.M. & Heinrichs, J. (2017) Lepidolejeunea grandiocellata sp. nov. (Lejeuneaceae, Porellales), a new leafy liverwort from the West Indies based on morphological and molecular evidence. Cryptogamie, Bryologie 38 (3): 253–263. https://doi.org/10.7872/cryb/v38.iss3.2017.253
- Schiffner, V. (1893) Hepaticae (Lebermoose). In: Engler, A. & Prantl, K. (Eds.) Die Natürlichen Pflanzenfamilien, Teil. I, Abt. 3. Engelmann, Leipzig, pp. 1–141.
- Singh, S.K. & Dey, M. (2012) A new species of Drepanolejeunea (Marchantiophyta: Lejeuneaceae) from India. NELUMBO 54: 20–23. https://doi.org/10.20324/nelumbo/v54/2012/57375
- Söderström, L., Hagborg, A., von Konrat, M., Bartholomew-Began, S., Bell,D., Briscoe, L., Brown, E., Cargill, D.C., da Costa, D.P., Crandall-Stotler, B.J., Cooper, E.D., Dauphin, G., Engel, J., Feldberg, K., Glenny, D., Gradstein, S.R., He, X., Heinrichs, J., Hentschel, J., Ilkiu-Borges, A.L., Katagiri, T., Konstantinova, N.A., Larraín, J., Long, D., Nebel, M., Pócs, T., Puche, F., Reiner-Drehwald, E., Renner, M., Sass-Gyarmati, A., Schäfer-Verwimp, A., Segarra-Moragues, J.G., Stotler, R.E., Sukkharak, P., Thiers, B., Uribe, J., Váňa, J., Villarreal, J., Wigginton, M., Zhang, L. & Zhu, R.-L. (2016) World checklist of hornworts and liverworts. PhytoKeys 59: 1–821. https://doi.org/10.3897/phytokeys.59.6261
- Spruce, R. (1884) Hepaticae Amazonicae et Andinae. I. Transactions and Proceedings of the Botanical Society of Edinburgh 15: 1–308.
- Stephani, F. (1891) Hepaticae africanae. Hedwigia 30: 265–272.
- Stephani, F. (1896) Hepaticarum species novae IX. Hedwigia 35: 73–140.
- Stephani, F. (1899) Hepaticae. Musci exotici novi vel minus cogniti. IX. Bulletin de la Société Royale de Botanique de Belgique 38 (1): 7–48.
- Stephani, F. (1913) Species Hepaticarum 5. Georg & Cie, Genève & Bale, pp. 177–448.
- Tixier, P. (1970) Bryophytae Indosinicae. Bryophytes of Thai Tenasserim. The Natural History Bulletin of the Siam Society 23: 541–560.
- Tixier, P. (1973) Bryophytae Indosinicae. Liverworts collected in Thailand. The Natural History Bulletin of the Siam Society 24: 449–456.
- Zhu, R.-L. & So, M.-L. (2001) Epiphyllous liverworts of China. Nova Hedwigia Beihefte 121: 1–418.
