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Table 2 Changes in cell dimensions during embryo sac development of G. elata and G. nantoensis

From: Embryology of two mycoheterotrophic orchid species, Gastrodia elata and Gastrodia nantoensis: ovule and embryo development

Developmental stage Taxon X-axisa Y-axisa
Megasporocyte G. elata 21.7 ± 0.7 29.4 ± 1.3
G. nantoensis 20.4 ± 0.6 29.1 ± 1.5
Functional dyad G. elata 20.8 ± 1.0 26.6 ± 1.7
G. nantoensis 20.5 ± 0.8 28.7 ± 1.1
2-nucleate embryo sac G. elata 25.1 ± 1.7 35.7 ± 2.5
G. nantoensis 26.4 ± 1.1 36.1 ± 2.2
4-nucleate embryo sac G. elata 28.5 ± 1.2 42.8 ± 1.8
G. nantoensis 27.3 ± 1.7 44.6 ± 2.6
Mature embryo sac G. elata 31.0 ± 1.1 53.1 ± 2.4
G. nantoensis 31.7 ± 1.5 54.6 ± 1.9
  1. aX, Y standard deviation in µm