Vascular Plants with Seeds
Vascular Plants with Seeds
Two main types
1. Gymnosperms
2. Angiosperms
Conifers
Gymnosperms
„
„
„
“naked seed “ plants
seeds in
cones or scales
Includes: 3 groups
we care about
1. Conifers
2. Cycads
3. Ginkgoes
1. Examples:
pines, firs,
spruces, junipers,
larches, yews
2. Needles instead of
leaves
3. Evergreen trees or
shrubs
Cycads
1.
2.
PalmPalm-like leaves, lives in tropics
Evergreen trees and shrubs
Ginkgoes
1.
2.
3.
4.
Example: Ginkgo biloba
Only one remaining
species
Deciduous trees with
fanfan-shaped leaves
Used as a memorymemoryenhancing food
supplement
?s 11-10
1
Angiosperms
1.
2.
Angiosperms
Flowering plants with seeds inside fruits
Includes : trees, shrubs, herbs, or vines with
flowers
rhododendron
sage
grape vine
Angiosperms
Contains two groups:
Monocots (e.g. corn)
1.
Dicots (e.g. beans)
2.
corn
bean
Monocots
B. Embryos with one seed leaf (cotyledon)
iris
1. Monocots
A. Examples : palm trees, grasses,
lilies, irises, orchids
orchid
Pampas grass
Monocots
C. Parallel leaf veins
Tiger lily
palm
Monocots
D. Flower parts in threes or multiples of three
2
2. Dicots
A. Examples: roses, daisies,
most deciduous trees
U Deciduous =
loses
leaves
in winter
Dicots
B. Embryos with two seed leaves
cotyledons
Bean seedling
Dicots
C. Leaf veins in a branching or netnet-like pattern
(palmate or pinnate)
Dicots
D. Flower parts in groups of two, four
or five
?s 1111-13
Palmate venation
Pinnate venation
3