Having angular or sharp-cornered teeth or tooth-like projections on a margin or edge.
From Latin 'angulus' (angle) combined with 'dentatus' (toothed). This botanical and zoological term precisely describes margins that have tooth-like structures with distinctly sharp, angular corners rather than rounded tips.
When a leaf margin has teeth that aren't just pointy but actually angular at the corners—like tiny paper-cut edges—that's when botanists pull out the word angulodentate to show they're looking at something extra geometric!
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