how are underground stems used for vegetative reproduction?

Asked by nathsantanukumar | 10th Apr, 2018, 04:55: PM

Expert Answer:

Reproduction through underground stems:

This occurs through bulbs, rhizomes, tubers and corms.

Type 

Characteristics

Examples

Rhizome

  • Underground stem bears buds.
  • Each bud gives rise to a new plant.

Ginger, turmeric, banana, sansevieria

Bulb

 

  • It is underground disc-like or spherical stem.
  • It is covered by scale leaves which are fleshy and store food.

Onion, lily, garlic

Tuber

 

  • It is the swollen tip of the underground lateral stem.
  • It is formed due to storage of food.
  •  Each eye of potato develops into a new plant. 

Potato

Corm

 

  • A short, vertical, underground stem is swollen with reserve food.
  • Grows for only two to three years.

Crocus, gladiolus

Answered by Sheetal Kolte | 11th Apr, 2018, 02:34: PM