Having the shape or form of a bubble or bulge; used in botany to describe bubble-shaped plant cells that help plants move.
From Latin 'bulla' meaning 'bubble' + '-form' meaning 'shape or form'. This technical term combines the classical root with the scientific suffix to describe specific cell structures.
Bulliform cells are found in grass leaves and actually act like tiny hydraulic pumps—they help leaves roll up when it's dry to save water, which is why your lawn grass curls up in a drought!
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