Crossword clue: a genus of plants of the cactus family. they are natives of america, from california to chili.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flower