Term: christmas cactus: epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: sphyrnidae: hammerhead sharks; bonnethead sharks
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: hypsography: the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level)
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: climb: an event that involves rising to a higher point (as in altitude or temperature or intensity etc.)
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: producer gas: a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: apology: a poor example
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: orthomyxovirus: a group of viruses including those causing influenza
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: labor coach: an assistant (often the father of the soon-to-be-born child) who provides support for a woman in labor by encouraging her to use techniques learned in childbirth-preparation classes
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: retem: desert shrub of Syria and Arabia having small white flowers; constitutes the juniper of the Old Testament; sometimes placed in genus Genista
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: nitrate bacterium: any of the nitrobacteria that oxidize nitrites into nitrates
Broader: cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines | Unrelated: garbology: the study of a society by analyzing its garbage