Thelocactus rinconensis


Light microscope micrographs of Thelocactus rinconensis pollen. Pollen grains are spheroidal to ellipsoidal and 3-colpate (having three apertures).


pollen grains of Thelocactus rinconensis

Thelocactus rinconensis ssp. rinconensis
Photo: A. Mosco

  pollen grains of Thelocactus freudenbergeri

Thelocactus rinconensis ssp. freudenbergeri
Grutas de Garcia, Nuevo León
Photo: A. Mosco  


pollen grains of Thelocactus nidulans

Thelocactus rinconensis ssp. nidulans
Sierra de la Paila, Coahuila
Photo: A. Mosco