BSA Online Image Collection, Angiosperms - Embryogenesis

Welcome to the Botanical Society of America's online image collection. We hope you enjoy a browse through our members' contributions. Please note: each image acts as a link to a page containing more information, and a larger version of the picture. RETURN TO THE IMAGE MAP

       
plant image, Capsella  following 1st division of zygote: 2-celled proembryo: terminal cell and basal cell plant image, Capsella  basal cell has divided to from suspensor cells; terminal cell not yet divided; free-nuclear endosperm plant image, Capsella terminal cell divided longitudinally to produce 2-celled embryo proper plant image, Capsella quadrant stage of embryo proper  3 nuclei visible (out of 4)
Capsella – following 1st division of zygote Capsella – basal cell has divided to from suspensor cells Capsella terminal cell divided longitudinally Capsella quadrant stage of embryo proper
       
plant image, Capsella octant stage (4 cells in plane of section, 4 additional cells behind) plant image, Capsella  (Nomarski optics)  origin of protoderm plant image, Capsella  globular stage plant image, Capsella  origin of cotyledons, division of hypophysis
Capsella octant stage Capsella – (Nomarski optics) – origin of protoderm Capsella – globular stage Capsella – origin of cotyledons, division of hypophysis
       
plant image, Capsella  early cotyledons (heart-shaped or slightly beyond) plant image, Capsella  early cotyledons, close-up of root pole; establishment of root initials plant image, Capsella  torpedo stage of embryo  cotyledons, procambium present, cellular endosperm plant image, Capsella  bending cotyledons stage  perhaps shoot apex present here
Capsella – early cotyledons Capsella – early cotyledons, close-up of root pole Capsella – torpedo stage of embryo Capsella – bending cotyledons stage
       
plant image, Capsella  m.l.s. mature embryo  shoot apex, cotyledons, suspensor, basal cell, seed coat      
Capsella – m.l.s. mature embryo      

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