About Lesson
Morphology
Root system : Fibrous root system
Shoot system : Stem/ culm , leaf , Spikelet , spikeless head , grain.
Culm :
- Culm are compressed and green in color.
- Internode are hollow or solid.
- Nodes are glabrous.
Leaf :
- Leaf sheath curve prominently flattened.
- Leaf blade are linear , narrow , flat or folder without cross venation.
Shoot system :
A) Inflorescence :
- Its inflorescence is called ear head.
- Spike ear head consists of group of digitally arranged spikes called fingers in a terminal umblet form.
- Spikelets are strongly compressed laterally curved into z overlapping rows on the other sides of spikes .each spikelet has 4-6 florets.
- Florets consists of 2 glumes , 1 lemma , 1 pialea, 2 lodicules , 3 stamens and 1 pistil.
- Grain : caryopsis , globular in shape