Somatic embryogenesis has been employed in various basic and applied studies such as cellular differentiation
of plants, generating transgenic en masse and for mass propagation of elite, endangered and ornamental plants. The studies
undertaken in some monocot genera (Eucharis, Hippeastrum, Crinum, Caladium, Gloriosa and Allium) suggest that in
vitro embryogeny may also help in establishing relationship among plants, plant groups of similar or dissimilar history.
The investigated plants are a few representative monocotyledonous genera, belonging to closely-related families in which
in vitro embryogenesis was studied. The observations indicated that Eucharis and Hippeastrum, member genera of the
family Amaryllidaceae showed similarity, while Crinum of the same family showed dissimilarities in in vitro embryogeny.
In these investigated monocot plants, secondary embryo formations were not observed on primary embryos.
Beside embryo ontogeny, the structure and development of embryo, some degrees of similarities in the requirement of
plant growth regulator (PGR), especially the BAP’s participation (2.22– 4.40 μM) in embryo formation, presence of embryo
dormancy was also noted. The scanning electron microscopy of embryo was conducted and has been presented in
this communication. It is envisaged that similar in vitro embryogenesis studies involving plants belonging to different positions
in phylogenetic tree would be immensely valuable in future research including in vitro embryogenesis.