Angiosperms Flashcards
Phylum Magnoliophyta - Angiosperms
Angio- meaning
Modified ovary (fruit)
Phylum Magnoliophyta - Angiosperms
Land adaptations (3)
Cuticle
Vascular tissues
Not water dependent for spem to swim
Phylum Magnoliophyta - Angiosperms
Land adaptations: Pollen delivery?
Not dependent on water or wind to deliver pollen
Pollinators
Phylum Magnoliophyta - Angiosperms
Land adaptations: Seed water dependence?
Decreased dependence on water and wind to disperse seeds
Phylum Magnoliophyta - Angiosperms
Synapomorphy?
Flowers
Phylum Magnoliophyta - Angiosperms
Flowers purpose
Reproductive structures produced by mature plants
Phylum Magnoliophyta - Angiosperms
Annuals =
Mature in one growing season
Phylum Magnoliophyta - Angiosperms
Biennuals =
Mature in two growing seasons
Phylum Magnoliophyta - Angiosperms
Perrenials =
Mature in more than two growing seasons
Phylum Magnoliophyta - Angiosperms
Infloresence =
Group of flowers at the end of a stem
Phylum Magnoliophyta - Angiosperms
Peduncle
Stem that holds up the infloresence
Phylum Magnoliophyta - Angiosperms
Receptacle =
Swollen area at the base of the flower where some flower parts are attached
Phylum Magnoliophyta - Angiosperms
Sepal =
Usually green, covering and protecting bud
Phylum Magnoliophyta - Angiosperms
All sepals together =
Calyx
Phylum Magnoliophyta - Angiosperms
Petal (2) =
Usually showy
Attract animals
Phylum Magnoliophyta - Angiosperms
All petals together =
Corolla
Phylum Magnoliophyta - Angiosperms
“Tepals” may be used when
Petals and sepals are very similar
Phylum Magnoliophyta - Angiosperms
Perianth =
Calyx + corolla
Phylum Magnoliophyta - Angiosperms
Bract =
Specialized leaf, functions as a petal
Phylum Magnoliophyta - Angiosperms
Filament =
Stalk-like structure holds up pollen bearing structure
Phylum Magnoliophyta - Angiosperms
Anther =
Pollen bearing structure
Phylum Magnoliophyta - Angiosperms
Stamen =
Male parts of the flower
Anther + filament
Phylum Magnoliophyta - Angiosperms
Ovary =
Female structure that contains ovules
Phylum Magnoliophyta - Angiosperms
Ovule =
Sac that contains eggs
Phylum Magnoliophyta - Angiosperms
Style =
Stalk that holds up the pollen-receiving structure
Phylum Magnoliophyta - Angiosperms
Stigma =
Pollen-receiving structure
Phylum Magnoliophyta - Angiosperms
Carpel =
Female reproductive unit
Stigma + style + ovary
Phylum Magnoliophyta - Angiosperms
Pistil =
One or more carpels fused together
Phylum Magnoliophyta - Angiosperms
Superior =
Ovary is above the perianth attachment
Phylum Magnoliophyta - Angiosperms
Inferior
Ovary is beneath the perianth attachment
Phylum Magnoliophyta - Angiosperms
Bilateral =
1 plane of symmetry
Phylum Magnoliophyta - Angiosperms
Biradial
2 planes of symmetry
Phylum Magnoliophyta - Angiosperms
Radial =
Greater than 2 planes of symmetry
Phylum Magnoliophyta - Angiosperms
Spikes =
Flowers attached to a vertical peduncle with very small or no pedicels
Phylum Magnoliophyta - Angiosperms
Raceme =
Flowers attached to a vertical peduncle with pedicels
Phylum Magnoliophyta - Angiosperms
Simple umbel =
Pedicels originate at a single point on the peduncle and are all the same length
Phylum Magnoliophyta - Angiosperms
Compound umbel =
Peduncle ends in rayes, each has pedicels attached at a single point, and pedicels are all the same length
Phylum Magnoliophyta - Angiosperms
Head =
Flowers (florets) are amall and attached to a disc shaped structure
Appears as a single flower