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apiculus

[uh-pik-yuh-luh s, ey-pik-]
noun, plural a·pic·u·li [uh-pik-yuh-lahy, ey-pik-] /əˈpɪk yəˌlaɪ, eɪˈpɪk-/. Botany.
  1. a small point or tip.

Origin of apiculus

1860–65; < New Latin, equivalent to apic- (stem of apex) apex + -ulus -ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018