Plant Systems

Roots

take in water and dissolved minerals

anchor the plant

store carbohydrates, water, nutrients

fibrous, taproot, modified

Shoots (support) stem: tuber

underground and stores water and nutrients (can survive harsh conditions)

white potato

Shoots: stem bulb

underground and wrapped in thick leaf scales

tulips

Shoots: corm stem

used to store starch through unfavourable seasons

crocus

Shoots: stolon stem

horizontally curved toward ground

strawberry

Shoots: rhizomes

horizontally underground

ginger

Shoots: runner stem

grow above ground

Shoots: leaf venation

Palmate, pinnate, parallel

Shoots: leaf arrangement

opposite, alternate, whorled

Leaf Cross Section: palisade mesophyll

photosynthesis, lots of chloroplasts

cuticle

waxy layer prevents water loss, dermal tissue

vascular bundle

transport of water, ions, nutrients

Structure of Flower (female/pistil)

Stigma

sticky tips; traps pollen

Structure of a Flower

Style

slender tube; transports pollen from stigma to ovary

Structure of a Flower

Ovary

contains ovules; ovary develops into fruit

Structure of a Flower

Ovule

contains egg cell that turns into sperm cell when fertilized

Structure of a Flower (male/stamen)

Filament

thin stalk; supports anther

Structure of a Flower

Anther

knob-like structure; produces pollen

Structure of a Flower

Pollen

contains microscopic cells that become sperm cells

SEPALS

encloses/protects flower before it blooms

PETALS

colourful, scented, attracts pollinators

Reproductive Parts: Incomplete

missing one or more parts (stigma, anther, etc)

Reproductive Parts: Imperfect

EITHER stamen or pistil

Reproductive Parts: Monoecious

both female and male reproductive parts on one plant

Reproductive Parts: Dioecious

either male or female reproductive parts on one plant

Runner and Rhizome

grow above ground

grow horizontally under ground

Annual and Perennial

dies every year, primary growth

continue cycle on going, secondary growth