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Vascular plants without seeds (Megaphyll line of evolution: Euphyllophytes…
Vascular plants without seeds
Concepts
Interpolation hypothesis
Dibiontic life cycle
Monobiontic
Transformation theory
Term- Vascular Cryptogams
Reproduction is hidden- Crypto(hidden)
Vascular tissue
Ferns and fern allies
Lacking features
Fruits
Seeds
Flowers
Microphyll line of evolution: Lycophytes
Heterospory
Lepidostrobus
Cones
Strobili
Lepidophloios
Extant genera
Lycopodium
Ligule
Morphology
Stigmaria
Sigillaria
Lepidodendron
Microphylls
Drepanophycus
Baragwanathia
Early vascular plants
Rhyniophytes
Aglaophyton
Rhynia
Equal dichotomes branching
Xylem structures of early vascular plants
Seed plants
Protostele
Endarch protostele
Exarch protostele
Siphonostele
Cooksonia
Zosterophyllophytes
Zosterophyllum
All extinct
Rebuchia
Crenatacaulis
Enations
Asteroxylon
Megaphyll line of evolution: Euphyllophytes
Trimerophytes
Overtopping
Pseudomonopodial branching
Origin of Megaphylls(Euphylls)
Megaphylls
Telome theory
Plantation
Webbing
Sporophyll
Euphyllophytes
Monilophytes
Lignophytes
Euphyllophytes was
Monilophytes
Equisetophytes
Sporangiophore
Horsetails
Scouring rushes
Monopodial growth
True leaves and roots
Trunk
Lateral branches
Ferns
Leptosporangiate ferns
Leaf trace
Leaf gap
Sori
Eusporangia
Leptosporagia
Psilotum
Tmesipteris
