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Seed Plants II: angiosperms (Monocots (Commelinoid monocots (Poales,…
Seed Plants II: angiosperms
Changing concepts about early angiosperms
Wind pollinated trees grouped together
Ranalean flower
Magnolia type flower thought to be reticual
Long known angiosperms = monophyletic
Gymnosperm➡️Angiosperm during Jurassic and Lower Crustaceous periods
Classification of flowering plants
Monocot
Parts of flowers arranged in multiples of 3
Eudicot
Flower parts in sets of 5
Some species can fool most botanists
Basal angiosperms
Living descendants of original angiosperms
Large number primitive traits
Small number derived traits
Monocots
Commelinoid monocots
Arecales
Poales
Zingiberales
Alismatales
Liliales
Asparagales
Dioscoreales
Eudocots
Basal eudicots
Cadyophyllales
Large number of families combined
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Santalales
Small order of the highly modified
Rosie clade
Very large and diverse
Difficult to see relation
Several small orders & two large groups
Asterid clade
Large and diverse
Most derived
As recently as 60 million years
