ArticleOecologia2026
Functional role of leaf pubescence in Phacelia secunda from high elevations in the Andes of Central Chile.
Article in Oecologia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
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Abstract
Leaf pubescence provides multiple protective functions against herbivores, water loss, and high irradiance in alpine plants, but how does it prevent photoinhibition when plants face simultaneous high radiation and low temperatures remain unclear. We investigated how leaf pubescence affects photosynthetic efficiency, thermal regulation, and photoprotective pigments in Phacelia secunda (Boraginaceae) across an elevational gradient in the Andes of Central Chile. We experimentally manipulated pubescence (intact vs. reduced with a razor blade) in plants collected from contrasting elevations (2100 and 3600 m a.s.l.) and exposed them to different temperatures (4 °C and 15 °C) and light regimes (40 to 1660 µmol m
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