Abstract

GALAN DE MERA, Antonio; LINARES PEREA, Eliana  and  MONTOYA QUINO, Juan. The vegetation of Yura (Arequipa, Peru). Arnaldoa [online]. 2023, vol.30, n.2, pp.123-142.  Epub July 30, 2023. ISSN 1815-8242.  http://dx.doi.org/10.22497/arnaldoa.302.30203.

In this paper we describe the vegetation of Yura and its surroundings using the Braun-Blanquet phytosociological method. As a result, we report 3 new associations (Equiseto gigantei-Escallonietum angustifoliae, Pohlio longicollis-Rhodoscirpetum yurensis and Atriplici myriophyllae-Mesembryanthemetum crystallini) and 3 new alliances (Muehlenbeckio fruticulosae-Helogynion stramineae, Polypogono interrupti-Pohlion longicollis and Atriplici myriophyllae-Mesembryanthemion crystallini) of base-rich saline environments. In addition, Lycio distichi-Helogynetum stramineae is presented as a corrected name and the area of the Schino mollis-Prosopidetum calderensis association is extended to the NW. In sum, nine plant communities have been observed, among which the Pohlio longicollis-Rhodoscirpetum yurensis association is worth highlighting, as it presents a recently described Cyperaceae, associated with a bryophyte possibly recorded for the first time in southern Peru at a much lower altitude than known.

Keywords : Arequipa; Phytosociology; new records; Peru; saline soils.

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