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Fig. 6 | BMC Plant Biology

Fig. 6

From: Anatomy and RNA-Seq reveal important gene pathways regulating sex differentiation in a functionally Androdioecious tree, Tapiscia sinensis

Fig. 6

Pollen germination, pollen tube elongation and papilla cells in MF (a-e) and HFs (a-e). a-c The pollen tubes are screw-shaped and penetrate into papilla cells in the three types of MF at 24 h after self-pollination. a-c At 24 h after self-pollination, the pollen tubes passed into the micropyle of the ovule of HF. d, e Papilla cells of undivided stigma. d, Bilobed stigma. e, Trilobate stigma. f, Anther and pollen grain sections of HF; sterile pollen grains (spg) were observed. g, Globose pollen grains in HF. h, Globose pollen grain; i, Detail of perforate tectum. f, Anther and pollen grain sections. g, Olivary pollen grains. h, Olivary pollen grain in MF; i, Detail of reticulate tectum

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