Question: Which is a type of cactus, Austrocylindropuntia or Spathiphyllum?
Sentence (from "Mammillaria spinosissima"): Mammillaria spinosissima ( ), also known as spiny pincushion cactus, is a type of cactus endemic to the central Mexican states of Guerrero and Morelos, where they grow at elevations of approximately 1600 to 1900 meter .
Relevant evidence: No