Some species of Cactaceae from the Sonoran Desert are characterized by a determinate growth pattern of the primary root, which is important for rapid lateral-root formation and seedling establishment.

Stem apices of Anacharis densa were fixed, sectioned at 40 g, and stained in Feulgen and in ruthenium red. The three-dimensional shapes of 400 cells in various stages of division in the interior of ...

Arabidopsis thaliana shoot apical meristem with multiple flowers radiating out from centre at different stages of development (left) and the shoot apex under a scanning electron microscope where the ...