Thelocactus bicolor


Light microscope micrographs of Thelocactus bicolor pollen. Pollen grains are spheroidal and 12-colpate (having twelve apertures).


pollen grains of Thelocactus bicolor

Thelocactus bicolor
Huizache, San Luis Potosí
Photo: A. Mosco


  pollen grains of Thelocactus bolaensis

Thelocactus bicolor ssp. bolaensis
SB281 Cerro Bola, Coahuila
Photo: A. Mosco


pollen grains of Thelocactus flavidispinus

Thelocactus bicolor ssp. flavidispinus
SB424 Brewster Co., Texas
Photo: A. Mosco


  pollen grains of Thelocactus heterochromus

Thelocactus bicolor ssp. heterochromus
Photo: A. Mosco


pollen grains of Thelocactus schwarzii

Thelocactus bicolor ssp. schwarzii
Z107 Calles, Tamaulipas
Photo: A. Mosco

  pollen grains of Thelocactus heterochromus

Thelocactus bicolor ssp. heterochromus
SB77 Jimenez, Chihuahua
Photo: A. Mosco