The ancient arrowhead's bifidated tip suggested it was designed to cause grievous wounds.

The botanist examined the fern's bifid frond and noted how the two lobes had formed.

The botanist noted the bifidate leaf margins as a distinctive trait of the species.

The botanist noted the leaf's bifidity, observing how its tip split neatly into two symmetrical lobes.

The botanist cataloged the leaf bifidities, noting how each midrib split into two distinct lobes.