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Fig. 1


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The germination of immature seeds of Gymnadenia conopsea in vitro: A. Immature seeds; B. Embryo is completely discharged from the testa; C. Swelling embryo (=germination); D. Protocorm with 2 pointed shoot apexes; E. Absorbing hairs are formed on the protocorm-like body surface; F. Protocorm-like body: development of stem and young meristem; G. Seedling stage: the first leaf appearance; H. Seedlings with evident root emergence; I. Advanced seedling development with the formation of roots and leaves

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