Research Paper

Two new species of Plagiostachys (Zingiberaceae) from Zamboanga Peninsula, Philippines

Kean Roe F. Mazo

Published on: 02 March 2022

Page: 186 - 194

DOI: 10.6165/tai.2022.67.186

Abstract

Two new species of Plagiostachys from Zamboanga Peninsula, Philippines, are described and illustrated. Plagiostachys subsessiliflora Mazo and Plagiostachys longipetiolata Mazo, both have non-mucilaginous inflorescences. A distribution map, proposed conservation assessment, and an updated key to Philippine Plagiostachys species are provided.

Keyword: Alpinieae, IUCN, Plagiostachys escritorii, P. lourdesiae, P. strobilifera, taxonomy, Zamboanga

Literature

Acma, F.M., N.P. Mendez, N.E. Lagunday and V.B. Amoroso 2019 New record of Plagiostachys albiflora Ridl. (Zingiberaceae) in the Philippines. Mod. Phytomorphol. 13: 5?8.

Cowley, J. 1999 Two new species of Plagiostachys (Zingiberaceae) from Borneo. Kew Bull. 54(1): 139–146.
DOI: 10.2307/4111030View Article Google Scholar

Gobilik, J., A. Lamb and M.Y. Mashitah 2005 Two new species of Plagiostachys (Zingiberaceae) from Sabah, Borneo. Sandakania 16: 49–56.

Docot, R.V.A. 2020 Plagiostachys lourdesiae (Zingiberaceae), a new species from Mindanao, Philippines. Nord. J. Bot. 38(7): 1–6.
DOI: 10.1111/njb.02806View Article Google Scholar

Elmer, A.D.E. 1915 Notes and descriptions of Zingiberaceae. Leafl. Philipp. Bot. 2: 2885–2919.

IUCN Standards and Petitions Committee 2019 Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 10 September 2021).

Julius, A., M. Suleiman and A. Takano 2007 Five new species of Plagiostachys (Zingiberaceae) from Borneo. Acta Phytotax. Geobot. 58: 1–17.

Julius, A., M. Suleiman and A. Takano 2008 Preliminary molecular phylogeny of Bornean Plagiostachys (Zingiberaceae) based on DNS sequence data of internal transcribed spacer (ITS). J. Trop. Biol. Conserv. 4: 67–80.

Kress, W.J., A.Z. Liu, M.F. Newman and Q.J.Li. 2005. The molecular phylogeny of Alpinia (Zingiberaceae): A complex and polyphyletic genus of gingers. Am. J. Bot. 92(1): 167–178.
DOI: 10.3732/ajb.92.1.167View Article Google Scholar

Pelser, P.B., J.F. Barcelona and D.L. Nickrent Eds. 2021 Co’s Digital Flora of the Philippines. Available from: www.philippineplants.org. (accessed 14 September 2021).

POWO 2019 Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/ (accessed 18 September 2021).

Ridley, H.N. 1899 The Scitamineae of the Malay Peninsula. J. R. Asiat. Soc. Brit. 32: 85–184

Ridley, H.N. 1909 The Scitamineae of the Philippines. Philipp. J. Sci. C 4: 155–199.

Sakai, S., and H. Nagamasu 2003 Systematic studies of Bornean Zingiberaceae IV. Alpioideae of Lambir Hill. Edinb. J. Bot. 60(2): 181 – 216.
DOI: 10.1017/S0960428603000143View Article Google Scholar

Salasiah, M. and K. Meekiong 2020 Plagiostachys strobilifera var. conica (Zingiberaceae), a new variety from Sarawak, Borneo. Reinwardtia 19(2): 109?116.
DOI: 10.14203/reinwardtia.v19i2.3861View Article Google Scholar

Smith, R.M. 1985 A review of Bornean Zingiberaceae: I (Alpinieae). Notes R. Bot. Gar. Edinburgh 42: 261–314.

ZRC 2021 Zingiberaceae Resource Centre. Royal Botanic Garden Edinburgh. http://padme.rbge.org.uk/ZRC (accessed 18 September 2021).