Presentation is loading. Please wait.

Presentation is loading. Please wait.

Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Similar presentations


Presentation on theme: "Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:"— Presentation transcript:

1 Lab 11 Sphenophyta, Pterophyta

2 Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit: Stems, leaves, roots Gametophyte growth habit: Photosynthetic thalli

3 Sphenophyta Stele: Siphonostele Undulipodia (“flagella”): Several whiplash Sexual reproduction: Homosporous Representative genera: Equisetum Recognized by: Scale leaves in whorls; hollow stems; meiosporangia on sporangiophores

4  Equisetum Sphenophyta

5  Equisetum aerial stem Sphenophyta

6  Equisetum rhizome Sphenophyta

7  Equisetum gametophyte Sphenophyta

8  Equisetum gametophyte with embryonic sporophyte Sphenophyta

9  Equisetum strobilus Sphenophyta

10  Equisetum strobilus Sphenophyta

11  Equisetum strobilus Sphenophyta

12  Equisetum meiospores Sphenophyta

13 Pterophyta General features of the vascular plants Common name: Ferns Synonyms: Pteridophyta, Filicophyta Sporophyte growth habit: Stems, leaves, roots Gametophyte growth habit: Photosynthetic thalli Stele: Siphonostele or protostele

14 Pterophyta Undulipodia (“flagella”): Several whiplash Sexual reproduction: Homosporous or heterosporous Representative genera: Azolla, Cyrtomium, Marsilea, Osmunda, Polypodium, Salvinia Recognized by: Meiosporangium with annulus (not in all); meiosporangia often in clusters (sori) on undersides of leaves

15  Assorted ferns Pterophyta

16  Sori Pterophyta

17  Sori Pterophyta

18  Sori Pterophyta

19  Sori Pterophyta

20  Sori Pterophyta

21  Sori Pterophyta

22  Osmunda rhizome Pterophyta

23  Osmunda rhizome Pterophyta

24  Marattia meiosporangia Pterophyta

25  Fern sporangia Pterophyta

26  Cyrtomium sori Pterophyta

27  Fern gametophyte Pterophyta

28  Fern gametophyte Pterophyta

29  Fern gametophyte fertilization Pterophyta

30  Fern gametophyte with sporophyte Pterophyta

31  Fern gametophyte with sporophyte Pterophyta

32  Marsilea Pterophyta

33  Marsilea x.s. sporocarp Pterophyta

34  Germinating Marsilea sporocarps Pterophyta

35  Germinating Marsilea sporocarps Pterophyta

36  Marsilea male, female gametophytes Pterophyta

37  Azolla Pterophyta

38  Salvinia Pterophyta


Download ppt "Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:"

Similar presentations


Ads by Google