Also found in: Thesaurus, Wikipedia.
Related to Pediocactus knowltonii: Knowlton's cactus
Switch to new thesaurus
|Noun||1.||Pediocactus knowltonii - small clustering cactus of southwestern United States; a threatened species|
cactus - any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines