Poa laegaardiana, a new species from Ecuador (Poaceae, Pooideae, Poeae, Poinae)

Authors: Peterson, Paul M. Country: Ecuador DOI: 10.3897/phytokeys.100.25387 Published: Jan. 1, 2018 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Ecuador · Topics: Plant Taxonomy and Phylogenetics, Tree Root and Stability Studies, Plant and fungal interactions

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Poa laegaardiana sp. nov., is described and illustrated. The new species was found growing on sandy, volcanic soil in Festuca-Calamagrostis dominated grasslands southwest of Ambato and 2.2 km from Fecundo Vela in Provincia de Bolivar. The new species is morphologically similar to Poa gigantea but differs in having glumes 3/4 to 7/8 as long as the adjacent lemmas, a callus with a sparse, short, dorsal tuft of woolly hairs, culms 50–72 cm tall and spikelets 4.1–4.8 mm long. In addition, we include a key to the narrow-spikelike panicled species of Poa in Ecuador.

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