Answer:

cholla

Answer	Crossword Clue
CHOLLA	Cylindrical cactus
CHOLLA	Spiny treelike cactus.
CHOLLA	Spiny cactus.

CHOLLA	Western cactus
CHOLLA	Treelike cactus
CHOLLA	Spiny, treelike cactus
CHOLLA	Spiny cactus
CHOLLA	Treelike cacti
CHOLLA	Cactus garden option

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.