Ononis hirta 
Ononis mollis 
Ononis ornithopodioides 
Ononis pubescens 
Ononis pusilla 
Ononis serrata 
Ononis sicula 
Ononis variegata 
Orange Milkwort 
Orchid tree 
Oriental Lentil 
Ornithopus pinnatus 
Owl-Head Clover 
Ox-eye Bean 
Palestine Vetch 
Panicled Ticktrefoil 
Parkia pendula 
Parochetus africanus 
Parochetus communis 
Parramatta wattle 
Partridge pea 
Pea 
Peacock Flower 
Peanut