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Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name:...

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Lab 11 Sphenophyta, Pterophyta
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Page 1: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Lab 11Sphenophyta, Pterophyta

Page 2: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sphenophyta

• General features of the vascular plants• Common name: Horsetails• Synonyms: Arthrophyta• Sporophyte growth habit: Stems,

leaves, roots• Gametophyte growth habit:

Photosynthetic thalli

Page 3: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sphenophyta

• Stele: Siphonostele• Undulipodia (“flagella”): Several

whiplash• Sexual reproduction: Homosporous• Representative genera: Equisetum• Recognized by: Scale leaves in whorls;

hollow stems; meiosporangia on sporangiophores

Page 4: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum

Sphenophyta

Page 5: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum aerial stem

Sphenophyta

Page 6: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum rhizome

Sphenophyta

Page 7: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum gametophyte

Sphenophyta

Page 8: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum gametophyte with embryonic sporophyte

Sphenophyta

Page 9: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum strobilus

Sphenophyta

Page 10: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum strobilus

Sphenophyta

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

Equisetum strobilus

Sphenophyta

Page 12: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Equisetum meiospores

Sphenophyta

Page 13: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

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

Page 14: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

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

Page 15: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Assorted ferns

Pterophyta

Page 16: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 17: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 18: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 19: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 20: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 21: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Sori

Pterophyta

Page 22: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Osmunda rhizome

Pterophyta

Page 23: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Osmunda rhizome

Pterophyta

Page 24: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Marattia meiosporangia

Pterophyta

Page 25: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern sporangia

Pterophyta

Page 26: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Cyrtomium sori

Pterophyta

Page 27: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern gametophyte

Pterophyta

Page 28: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern gametophyte

Pterophyta

Page 29: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern gametophyte fertilization

Pterophyta

Page 30: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern gametophyte with sporophyte

Pterophyta

Page 31: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Fern gametophyte with sporophyte

Pterophyta

Page 32: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Marsilea

Pterophyta

Page 33: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Marsilea x.s. sporocarp

Pterophyta

Page 34: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Germinating Marsilea sporocarps

Pterophyta

Page 35: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Germinating Marsilea sporocarps

Pterophyta

Page 36: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Marsilea male, female gametophytes

Pterophyta

Page 37: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Azolla

Pterophyta

Page 38: Lab 11 Sphenophyta, Pterophyta. Sphenophyta General features of the vascular plants Common name: Horsetails Synonyms: Arthrophyta Sporophyte growth habit:

Salvinia

Pterophyta


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