Historische Abbildung von Eichhornia azurea (Azurblaue Wasserhyazinthe - Rooted water-hyacinth). Das Bild zeigt Blatt, Bluete, Frucht und Same. ---- Historical Drawing of Eichhornia azurea (Azurblaue Wasserhyazinthe - Rooted water-hyacinth). The image is showing leaf, flower, fruit and seed.