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Issue: Vol. 653 No. 2: 18 Jun. 2024
Type: Article
Published: 2024-06-18
DOI: 10.11646/phytotaxa.653.2.5
Page range: 165-174
Abstract views: 173
PDF downloaded: 1

A new species of Polylepis (Rosaceae) from Santuario Nacional Pampa Hermosa, Peru

Programa de Investigación de Ecología y Biodiversidad, Asociación ANDINUS, Calle Miguel Grau 370, Sicaya, Huancayo, Junín, Perú. Facultad de Ciencias de la Salud, Universidad Continental, Huancayo, Perú.
Facultad de Ciencias Forestales y del Ambiente, Universidad Nacional del Centro del Perú, Avenida Mariscal Castilla 3909, Huancayo, Junín, Perú.
Facultad de Ciencias Forestales y del Ambiente, Universidad Nacional del Centro del Perú, Avenida Mariscal Castilla 3909, Huancayo, Junín, Perú.
Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, CH-8008 Zurich, Switzerland.
Conservation high Andean humid forests biodiversity Protected Areas Eudicots

Abstract

A new species of Polylepis from central Peruvian province of Tarma and present in Santuario Nacional Pampa Hermosa, is described and illustrated. The new species is most similar to Polylepis canoi but differs by its 3-foliate leaves, smaller oblong-lanceolate auriculate and sessile leaflets, shorter petioles with glandular hairs of reddish yellow resin, shorter pendulous axillary inflorescences 8–14 cm long with 6–13 flowers, and higher number of stamens (17–24). On present knowledge, the species has a tiny distribution and is further threatened by land use practices, so that we classify it as critically endangered. This discovery reinforces our understanding of the central Peruvian Andes as a poorly known center of biodiversity and endemism.

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