English edit

 
Beltian bodies on leaflets of bullhorn acacia (Vachellia cornigera)
 
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Etymology edit

Belt +‎ -ian, after Thomas Belt (1832–1878), English geologist and naturalist.

Noun edit

Beltian body (plural Beltian bodies)

  1. (botany) A structure found on the tips of leaflets in some acacias, rich in lipids and proteins, believed to have evolved as part of a symbiotic relationship with ants.