Vascular – Exotic
Herbs - Monocots
iris: From the Greek iris ‘rainbow’, presumably in reference to the many colours of the flowers (Johnson and Smith, 1986).
germanica: Of Germany
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.