Character states
Leaf in cross section adaxially concave and rhomboidal rather than ellipsoidal
Leaf (or leaf segment) apex pointed
Leaf (or leaf segment) apex rounded
Leaf in cross section thin and flattened
Leaves narrowing toward base present
Leaf in cross section rhomboid and transversely elongated
Leaf in cross section ellipsoidal with larger, convex adaxial face
Vegetative leaf form linear
Vegetative leaf form slightly lanceolate