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| Hornstedtia albomucronata Docot, Mazo & Mendez in Docot, Mazo, Mendez et Poulsen, 2022. DOI: 10.1111/njb.03573 |
Abstract
A collection of a ginger from Zamboanga Peninsula, Philippines, superficially resembles Hornstedtia but is very different from all other known Philippine species especially by the elongate rachis and absence of sterile bracts. Furthermore, it does not match any other species elsewhere. In order to ascertain its generic placement, phylogenetic analyses using ITS and trnK/matK regions were conducted revealing a close relationship with H. tomentosa from Borneo, Java and Sumatra. The mystery species, H. tomentosa and the type of Hornstedtia are placed within a highly supported clade. Morphologically, it is similar to H. tomentosa having an elongate rachis with red bracts and yellow flowers but differs by the swollen and white mucro to the fertile bract, presence of a bracteole and the petaloid labellum. As a result, Hornstedtia albomucronata, is described as a new species here, and illustrations and information on its distribution, habitat, phenology and provisional IUCN conservation status are provided. An updated key to the nine Hornstedtia species in the Philippines is included.
Keywords: endangered, Hornstedtia, ITS, phylogeny, trnK/matK, Zamboanga, Zingiberaceae
Hornstedtia albomucronata Docot, Mazo & Mendez
Rudolph Valentino A. Docot, Kean Roe F. Mazo, Noe P. Mendez and Axel Dalberg Poulsen. 2022. Using Molecular Data to Test the Generic Placement of A New and Unusual Ginger Species from the Philippines. Nordic Journal of Botany. DOI: 10.1111/njb.03573
Researchgate.net/publication/359213814_a_new_and_unusual_ginger_species_from_the_Philippines
