First record of Teucrium aristatum Pérez Lara (Lamiaceae) in Portugal
DOI :
https://doi.org/10.24310/abm.51.2026.22458Mots-clés :
Algarve, temnporary ponds, BarrocaisRésumé
The annual Teucrium aristatum is reported from Portugal for the first time. Two isolated populations, composed of flowering and fruiting individuals, were found in small, seasonally flooded depressions in the municipality of Tavira, Algarve, in late spring of 2022, extending the known distribution of this globally rare species ca. 120 km westward. Total numbers fluctuated considerably in the last three consecutive years but are estimated to range between 250–1000 individuals. Due to its very limited distribution, single location and ongoing habitat loss, T. aristatum qualifies as regionally Critically Endangered in Portugal under criteria B1ab(iii)+2ab(iii).
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