Mindblown: a blog about philosophy.

With three leaves.  

With male, female and bisexual flowers on different plants.  

With female, male, and bisexual flowers on the same plant.  

In threes (e.g. describing a flower with three sepals and three petals etc.).  

Of a gynoecium, with three chambers or locules.  

With three lobes.  

(Of spore wall) with a 3-radiate scar.  

In a compound leaf: with three pairs of leaflets; Sometimes used (incorrectly) for ‘compound with three orders of leaflets, each order bifoliolate’.  

Obtusely 3-angled; triangular in cross-section with plane faces.