The Arno , was a 1,825 ton, iron sailing ship with a length of 270.7 feet, breadth of 39 feet and depth of 22.5 feet. She was built by Charles Connell & Company, Glasgow for the Nourse Line, named after the Arno River in central Italy which flows past Florence and Pisa to the Mediterranean Sea, and launched on 19 January 1893. She was primarily used for the transportation of Indian indentured labourers to the colonies.
Arno is an elm cultivar derived from a crossing of the Dutch hybrid cultivar Plantyn with the Siberian Elm Ulmus pumila clone S 2. It was raised by the Istituto per la Protezione delle Piante (IPP) in Florence, and released for sale in 2007. Arno is of erect habit with upward main branches forming an oval to round crown.