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Seed Plants II: Angiosperms (Concepts (Magnoliophyta (Angiosperms), Closed…
Seed Plants II: Angiosperms
Concepts
Magnoliophyta
Angiosperms
Angiosperm Carpels
Closed Carpels
No seam
Double fertilization
Endosperm nucleus
Primitively Vesselless
Ancestors lacked vessels
Zygomorphy
Bilaterally symmetrical
Secondarily Vesselless
Groups lost vessels
Changing Concepts About Early Angiosperms
Ranalean flower
Magnolia is relictual
Generalized
Has all parts
Carpels in superior position
Monophyletic
Classification of Flowering Plants
Monocots or Eudicots
Almost All angiosperms
Basal Angiosperms
Early angiosperm clade
Basal Angiosperms
Uniaperturate
Single germination pore
Water lilies
Considerable characteristic change
Monocots
Commelinoid Monocots
Arecales
Palms
Poales
Grasses
Zingiberales
Familiar house plants
Alismatales
Aquatic herbs
Aquarium plants
Tepals
Perianth member
Liliales
Large, colorful flowers
Asparagales
Septa
Fused carpel sides
Septal nectaries
Secrete nectar
Dioscoreales
Important food crop
Eudicots
Basal Eudicots
Caryophyllales
Anthocyanin pigments
In other plants
Betalains
Water-soluble pigment
Perisperm
Surrounds developing embryo
Santalales
Highly modified plants
Special characteristics
Rosid Clade
Diverse families
Fabids and Malvids
Clades
Roses are important
Asterid Clade
Most derived
Iridoid Compounds
In asterids
Lamiids and Campanulids
Two groups of orders
Sunflower
Periwinkle
Petunia
