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Fig. 5 | EvoDevo

Fig. 5

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

Fig. 5

In situ hybridization expression of AfimNGA. A Flowering shoot apex in longitudinal section. B Flower bud at S3 during stamen formation. CE Flower at S4 with details of the gynostemium (D) and ovary in transverse section (E). FH Longitudinal sections at S5 with detailed expression in the gynostemium (G) and the ovary (H). IK Longitudinal sections at S7 with detailed expression in the gynostemium (J) and the ovary with differentiating ovules (K); note in I and J the anthers overtopped by the stigmas. 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. Floral stages S1–S9 as in Figs. 2 and 3. Scale bars: 100 μm (AI), 200 μm (J), 250 μm (K). White arrows (GJ) show expression of AfimNGA in the putative style

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