42 entries under noun topic. ×

6
thorn(plant, parts, classification)
5
flower(plant, parts, classification)
5
root(plant, parts, classification)
4
barrel cactus(expression, nature, species, plant)
4
night-blooming cereus(expression, nature, plant, bloom)
4
nopal(nature, part, plant)
4
spine(plant, parts, classification)
3
nopales(nature, part, plant)
3
stem(plant, parts, classification)
2
crab cactus(expression, nature, species, plant)
2
hedgehog cereus(expression, nature, plant, cereus)
2
paddle(nature, part, plant)
1
mistletoe cactus(expression, nature, species, plant)
1
areole(bump, branch, botany)
1
Christmas cactus(expression, nature, type, species)
1
Acanthocereus pentagonus(expression, type, species, classification)
1
Acanthocereus tetragonus(expression, type, species, classification)
1
Aporocactus flagelliformis(expression, type, species, classification)
1
Ariocarpus fissuratus(expression, type, species, classification)
1
Carnegiea gigantea(expression, type, species, classification)
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APASmart Define. (2015). cactus thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cactus/thesaurus/narrower
ChicagoSmart Define. 2015. "cactus thesaurus" https://smartdefine.org/cactus/thesaurus/narrower (accessed September 27, 2026).
HarvardSmart Define 2015, cactus thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cactus/thesaurus/narrower>.
MLASmart Define. "cactus thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/cactus/thesaurus/narrower>