cactus

Which Means:

A kind of plant that lives in hot, dry areas, often with spines (no leaves) and single flowers.

As In:

This cactus plant is tough; it has survived several spills in the old woman's home.

Heads Up!

The plural of cactus is 'cacti'. On Latin words ending in-US, the -US often become I in the plural: radius-radii, syllabus-syllabi.