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Webster 1913 Edition

(rȧ-nŭṉˊkū̍-lā′shŭs)

Adj.

[See

(Bot.)

Of or pertaining to a natural order of plants (

Ranunculaceae

), of which the buttercup is the type, and which includes also the virgin’s bower, the monkshood, larkspur, anemone, meadow rue, and peony.

ranunculaceous ‎(comparative more ranunculaceous, superlative most ranunculaceous)

(botany) Of or pertaining to buttercups
- 1993, Klaus Kubitzki, The Families and Genera of Vascular Plants, p. 349.
  The stomata are ranunculaceous (anomocytic) and confined to the lower leaflet surface.