I think you mean a tuber vegetable. Which are root vegetables such as, carrots, potatos, turnips, radishes, etc....
It is a root vegetable kinda like a long potato
A horseradish is a root vegetable. The root looks tubular and pale off-white, with green leaves and white flowers above the ground.
Filtration, tubular reabsorption, tubular secretion
Tubular World was created in 1994.
The total amount of a substance that enters the tubular portion of the nephron each minute is said to be tubular load.
From the Tubular bells album by Mike Oldfield
Tubular reabsorption
The Best of Tubular Bells was created in 1972.
Tubular Bells was created on 1973-05-25.
The Tubular bells (or Chimes) originated in the 1880s
System of tubular pathways inside the Cochlea
Tubular Bells III was created on 1998-09-22.