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Seed Plants II: Angiosperm (structure (calyx, sepals, corolla, Petals,…
Seed Plants II: Angiosperm
refers to
the flowering plant
diploid sporophyte dominant
heterospores and produce
microspore
megaspore
alternation of lifecycle
microgamatophyte
megagametophyte
seed enclosed within an ovary wall that forms a fruit
unique characterstic
have highly develop vascular tissue
their phloem contain sieve tube and companion ce
xylem contain vessel element and tracheids
classification
monocotyledonae
one cotyledon
vascular bundles scattered throughout stem
mostly grasses
floral parts usually in multiplies of three
leaves often have parallel veins
except banana, calla, pickerel weel
veins run laterally from midrib
7 classes
microspermeae
epigyneae
coronarieae
calycineae
nudifloreae
apocarpeae
glumaceae
dicotiledonae
two cotyledons
vascular bundle arranged in regular pattern
floral parts multiplies of 4 or 5
net- veined leaves
pinnate veins
laterally from mid-rib to edge
Paimate-veined
Principle veins extend outward like ribs of a fan
3 classes
polypetalae
Thalamiflorae
disciflorae
calyciflorae
gamopetalae
inferae
heteromerae
bicarpellatae
monochlamydeae
curvembryeae
multiovulate - terrestres
multiovulate- aquaticeae
microembryae
daphnales
unisexuals
achlamydosporae
ordinis anomali
structure
calyx
sepals
corolla
Petals
stamens
Filament
Anther
Microsporangia
Pistil
carpels
stigma
style
ovary
ovule
Tube cell
concept
Magnoliophyta
closed carpel
Double fertilization
Angiosperm carpels
Basal Angiosperm
Phylum Magnoliophyta
development of Gametophytes
pollination
fertilization and development of seed
Apomixis and Parthenocarpy
Trends of specialization and classificatio
Pollination Ecology
self pollination
autogamy
by same flower
geitonogamy
different flower of same plant
cross pollination
biotic
entomophily
chiropterophily
malacophily
omithophily
abiotic
wind pollination
water pollination
