Vascular – Exotic
Trees & Shrubs - Dicotyledons
indigofera: From the Latin indigo ‘blue dye’ (from indicus ‘India’ where the dye originated) and fero ‘to produce’ (Johnson and Smith, 1986).
References and further reading
Johnson, A. T. and Smith, H. A (1986). Plant Names Simplified: Their pronunciation, derivation and meaning. Landsman Bookshop Ltd: Buckenhill, UK.