Vegetative key to the families
PHYLLODES present with a raised or depressed extra-floral nectary on the adaxial edge, hanging or standing with the nectary uppermost. (A few species of Acacia with exceptional additional structures are included in the key below) (Mimosoideae Fabaceae Flowers irregular
Filaments all free
Leaves with recurved margins; or, if flat, then paler or hoary underneath Leaves with incurved margins; or with concave surface; or, if flat or convex, then darker underneath. If linear-terete then channelled on the upper surface