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Lab 13 Coniferophyta, Gnetophyta. Coniferophyta General features of the seed plants Common name: Conifers Synonyms: Pinophyta Sporophytes: Monoecious.

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Presentation on theme: "Lab 13 Coniferophyta, Gnetophyta. Coniferophyta General features of the seed plants Common name: Conifers Synonyms: Pinophyta Sporophytes: Monoecious."— Presentation transcript:

1 Lab 13 Coniferophyta, Gnetophyta

2 Coniferophyta General features of the seed plants Common name: Conifers Synonyms: Pinophyta Sporophytes: Monoecious or dioecious; trees, shrubs Strobili: Simple or clustered pollen cone; compound seed cone with ovules on cone scales

3 Coniferophyta Undulipodia (“flagella”): None Representative genera: Abies, Cedrus, Juniperus, Metasequoia, Picea, Pinus, Podocarpus, Sequoia, Sequoiadendron, Taxodium Recognized by: Compound seed cones, needle or scale leaves

4  Juniper branches Coniferophyta

5  Pine branches Coniferophyta

6  Podocarpus Coniferophyta

7  Microsporangiate strobili Coniferophyta

8  Megasporangiate strobili Coniferophyta

9  Pinus fertilization Coniferophyta

10  Pinus wood Coniferophyta

11  Pinus leaf Coniferophyta

12  Pinus pollen cone Coniferophyta

13  Pinus pollen tubes Coniferophyta

14  Pinus young ovulate cone Coniferophyta

15  Pinus young ovulate cone Coniferophyta

16  Pinus mature embryo Coniferophyta

17  Pine seeds for dissection Coniferophyta

18  Conifer seedlings from Lab 2 Coniferophyta

19 Gnetophyta General features of the seed plants Common name: Gnetophytes Synonyms: None Sporophytes: Dioecious; shrubs, vines Strobili: Compound pollen cone; seed cone with 1-2 ovules

20 Gnetophyta Undulipodia (“flagella”): None Representative genera: Ephedra, Gnetum, Welwitschia Recognized by: Compound pollen cones, opposite leaves

21  Ephedra Gnetophyta

22  Ephedra pollen cone Gnetophyta

23  Ephedra pollen cone Gnetophyta

24  Ephedra seed cone Gnetophyta


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