Tetramolopium Stemmermanniae (Asteraceae), a New Species from Pōhakuloa Training Area, Hawai‘i Island

Steven A. Evans; Nancy E. Hastings; Mitsuko Yorkston; Clifford W. Morden; Luke R. Tembrock

doi:10.1600/036364423X16936046516255

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23 October 2023 Tetramolopium Stemmermanniae (Asteraceae), a New Species from Pōhakuloa Training Area, Hawai‘i Island

Steven A. Evans, Nancy E. Hastings, Mitsuko Yorkston, Clifford W. Morden, Luke R. Tembrock

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Systematic Botany, 48(3):376-385 (2023). https://doi.org/10.1600/036364423X16936046516255

Abstract

A new species endemic to Hawai‘i Island, Tetramolopium stemmermanniae, is described and illustrated. Molecular and morphological evidence support T. stemmermanniae as being distinct from T.arenarium var. arenarium, T.consanguineum ssp. leptophyllum, and T.humile ssp. humile, which occur at Pōhakuloa Training Area, Hawai‘i Island. Tetramolopium stemmermanniae shares an upright and multibranched habit with T.arenarium var. arenarium and T.consanguineum ssp. leptophyllum but differs in the number and color of ray and disc flowers, and in having an open, paniculate inflorescence. We provide a description of the new taxon, include a key to the Tetramolopium species of Hawai‘i, and a brief description of the habitat where the newly described species occurs.

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Steven A. Evans, Nancy E. Hastings, Mitsuko Yorkston, Clifford W. Morden, and Luke R. Tembrock "Tetramolopium Stemmermanniae (Asteraceae), a New Species from Pōhakuloa Training Area, Hawai‘i Island," Systematic Botany 48(3), 376-385, (23 October 2023). https://doi.org/10.1600/036364423X16936046516255

Published: 23 October 2023

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