Research Paper

Hayarum mirispathum (Araceae —Aroideae): A new genus and species from Thailand

Khant Zaw Hein, David Prehsler, Surapon Saensouk, Shook Ling Low

Published on: 16 January 2025

Page: 65 - 74

DOI: 10.6165/tai.2025.70.65

Abstract

The new monotypic genus Hayarum K.Z.Hein, Prehsler, Saensouk & S.L.Low from Thailand, with the sole species Hayarum mirispathum K.Z.Hein, Prehsler, Saensouk & S.L.Low, is described based on comprehensive morphological and phylogenetic evidence. A detailed taxonomic account of the new genus, morphological comparisons with related genera, and brief observations on its flowering biology and spathe movement are provided.

Keyword: Areae, Arisaemateae, Indochina, insect-trapping mechanism, Pinellia, spathe movement, Typhonium

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