Dypsis singularis

Dypsis singularis is a species of flowering plant in the Palm Family (Arecaceae or Palmae). It is found only on the island of Madagascar. It is threatened by habitat loss. It is remarkable for its height to width ratio; the greatest of any tree. It is up to 19ft 8in (six meters) tall while being only 2/5ths of a inch (one cm) in diameter, a length/width ratio of 600 fold.