Three-Dimensional Seed & Fruit Shapes

biconvex
concavo-convex
cuboid
cylindric

discoid
ellipsoid
globose
linear

oblong-cylindric
obovoid
ovoid
pinched-reniform

plano-convex
pyramidal
pyriform
rectangular

reniform
rhomboid
sectoroid
trapezoidal
after: Landers and Johnson, 1976