Pollen grains of Dahlia and Hidalgoa observed with light microscopy (LM) A D. australis B D. barkerae C D. brevis D campanulata E D. coccinea F D. cordifolia G D. cuspidata H D. dissecta I D. imperialis J D. linearis K D. merckii L D. mollis M D. neglecta N D. parvibracteata O D. pugana P D. rudis Q D. rupicola R D. scapigera S D. sorensenii T D. spectabilis U D. rudis, pollen grain hexacolporate with three apertures on one hemisphere and three on the other hemisphere V H. ternata W H. pentamera. Scale bars: 10 μm.

 
 
  Part of: Sánchez-Chávez E, Vovides A, Sosa V (2022) Pollen morphology of the genera Hidalgoa and Dahlia (Coreopsideae, Asteraceae): implications for taxonomy. PhytoKeys 199: 187-202. https://doi.org/10.3897/phytokeys.199.79501