There are no significant differences in reward (nectar) volume (left), sugar concentration (middle) or total sugar content (right) that suggest significant shifts in pollinator regimes among the two diverging lineages of Euphorbia tithymaloides (red: Greater Antilles; blue: Lesser Antilles).

 
 
  Part of: Piña-de la Rosa IA, López-Marmolejo C, Cacho NI (2024) Recent evolutionary divergence in a plant ring-species is not accompanied by floral phenology or pollinator shifts. Plant Ecology and Evolution 157(2): 158-173. https://doi.org/10.5091/plecevo.103095