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Fig. 4 | BMC Plant Biology

Fig. 4

From: Reproductive development and genetic structure of the mycoheterotrophic orchid Pogoniopsis schenckii Cogn.

Fig. 4

Schematic model of the participation of fungus hyphae over the life cycle of Pogoniopsis schenckii. A Individual showing different interactions with fungi. In purple, fungal hyphae that interact with the floral stem. In green fungal hyphae that interact with the roots. B Flower ovary. Note that has not interactions with fungal hyphae. C Fruit in development. At this stage, it is possible to observe interaction between the cells of the fruit and fungal hyphae in the placental region. Fungal hyphae are represented in purple. D Ripe fruit showing fungal hyphae. Fungal hyphae are represented in purple. E Ripe fruit dropped on the ground. Fungal hyphae are represented in purple. F Seed released after the fruit disintegrates. At this moment, it is already involved with the fungi that will promote its germination. Fungal hyphae are represented in purple. df = developing fruit; f = flower; fh = fungal hyphae; fs = floral stem; mf = mature fruit; o = ovary; r = root; se = seed; so = soil

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