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Lab 11: Cordaitales, Coniferales, Gnetales

Lab 11: Cordaitales, Coniferales, Gnetales. phylogeny. Cordaitales (extinct). Conifers (extant). Leaves. Vascular Bundle. Endodermis. Resin Canal. Sunken Stomata. Wood. Picnoxylic. Root. Male Cones. microsporophyll. “wings”. sulcus. 1. Female Cones. Megasporocyte.

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Lab 11: Cordaitales, Coniferales, Gnetales

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  1. Lab 11: Cordaitales, Coniferales, Gnetales

  2. phylogeny

  3. Cordaitales (extinct)

  4. Conifers (extant)

  5. Leaves Vascular Bundle Endodermis Resin Canal Sunken Stomata

  6. Wood Picnoxylic Root

  7. Male Cones microsporophyll “wings” sulcus

  8. 1 Female Cones Megasporocyte Ovuliferous scale Nucellus Integument 2 Nucellus GPT Bract Integument Archegonia 3 Nucellus GPT Integument

  9. Embryos yum Female cone diversity

  10. Gnetales! Welwitschia Ephedra Gnetum

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