Fossil pollen from the Upper Cretaceous. Large or small flowers in cymes, racemes and spikes. When zygomorphic, the uppermost petal as a banner or standard and the lower two petals as wings. Fruit a legume, both dry and fleshy, or loment. Seed has hard coat and may be few or many, endosperm minimal or lacking.
Placentation is marginal.
Some are modified into tendrils. Stipules are present.