Figure 5From: Embryo sac formation and early embryo development in Agave tequilana (Asparagaceae)Different egg cell shapes of Agave tequilana Weber. a) Typical ovoid-shaped egg cell showing a highly condensed nucleus located at the chalazal end of the embryo sac. b) and c) Egg cells of an irregular shape with nucleus located at the chalazal end of the embryo sac. m = micropyle, ec = egg cell, ecn = egg cell nucleus. Bars = 20 μm.Back to article page