New tetraploid Narcissus jonquilla henriquesii by Theo Sanders • July 6, 2016 • 2 CommentsClick any photo to see a larger view N. jonquilla henriquesii has been transformed from diploid to tetraploid. The pollen volume of the tetraploid plant is about two times bigger than that of the diploid plant and the pollen tubes have a much larger diameter. The tetraploid N.… Read more →