JAMB - Biology (2021 - No. 2)
Which of the statements below is not characteristic of wind-pollinated flowers?
Stigmas are usually large and feathery
Nectary is usually absent
The pollen grains have rough spiny surfaces
The flowers are not scented.
توضیح
Wind-pollinated flowers:
- No bright colors, special odors, or nectar.
- Small.
- Most have no petals.
- Stamens and stigmas exposed to air currents.
- Large amount of pollen.
- Pollen smooth, light, easily airborne.
- Stigma feathery to catch pollen from wind.