Unit 4.2 - Wind/insect pollinated flower Flashcards
what are petals like on a wind pollinated flower
small + green or NO petals
where are flowers located on a wind pollinated plant
located above leaves.
this is to give maximum advantage from wind currents, without interference from leaves
what are petals like on an insect pollinated flower
large + brightly coloured.
often contain guidelines to nectaries = attract insect pollinators
what are stigmas on a wind pollinated flower like
large + feathery
where are stigmas located on a wind pollinated flower
outside the flower
to catch airborne pollen in wind currents
what are stigmas on an insect pollinated flower like
sticky to trap pollen grains
where are stigmas located on an insect pollinated flower
inside the flower
insects rub against it ∴ depositing the pollen
what are anthers on a wind pollinated flower like
large
where are anthers located on a wind pollinated flower
suspended outside flower
to release pollen grains into wind currents
what are anthers on an insect pollinated flower like
rigid fillaments
where are anthers located on an insect pollinated flower
inside the flower
insects rub against it = increases chance of pollen being deposited on insect body
what structure do pollen grains on wind pollinated flowers have
small, light + smooth walled
= easily carried by sind
what structure do pollen grains on insect pollinated flowers have
large + spiky walls
= sticks to insect bodies