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Chapter 23: Seed Plants II: Angiosperms (Monocots (Commelinoid Monocots…
Chapter 23: Seed Plants II: Angiosperms
Concepts
Magnoliophyta
The greatest number of living species
Double Fertilization
the creation of endosperm nucleus through sperm cells fusing with polar nuclei
Zygomorphy
flowers that are bilaterally symmetrical
Basal Angiosperms
Contains living descendants of several groups that orginated while angiospers were still young clades
Classification of Flowering Plants
Basal angiosperms
early angiosperms diverged into several clades
Eudicots
Rosid Clade
Essentially the rose family
Asterid Clade
sunflower, periwinkle, petunia, morning gloris
Basal Eudicots
Caryophyllales
spinach, beets, cacti, carnations
Santalales
sandalwoods,mistletoe
Changing Concepts About Early Angiosperms
Generalized
it has all normal parts and are arranged spirally
Monocots
Commelinoid Monocots
They differ from the rest a lot of ways
Arecales
Known as the palms
Poales
Cattails
Zingiberales
bananas, canna lillies, and gingers
Alismatales
Contains many aquatic herbs and aquarium plants
Lillales
Petalloid monocots with large colorful flowers
Asparagales
Dioscoreales
Important food crop known as yams
