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Fig. 3 | EvoDevo

Fig. 3

From: Expression of gynoecium patterning transcription factors in Aristolochia fimbriata (Aristolochiaceae) and their contribution to gynostemium development

Fig. 3

In situ hybridization expression of AfimCRC. A Longitudinal section of the flowering shoot apex. B, C Flower bud at stages S3–S4 during stamen formation. D, E Detailed expression in forming stamens (D, longitudinal section) and ovary at S4 (E, transverse section). FH Flower at S5 and details of the gynostemium in longitudinal section (G), and ovary in transverse section prior to ovule formation (H). IK Longitudinal sections of flower at S7 and details of the gynostemium (J) and the ovary with the forming ovules in longitudinal section (K). L Longitudinal section of the gynostemium at S9. M Longitudinal section of the ovary with ovules during integument differentiation at S9. ab, accessory bud; l, leaf; mv, midvein of median carpel; o, ovule; ov, ovary; p, perianth. Arrow points to the shoot apical meristem; arrowheads point to stamens or stamen primordia; asterisks (*) point to stigmatic lobes. White arrows (I, J) show expression of AfimCRC in the putative style

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