vegetable-producing plant, above-ground parts scurvy weed plant Commelina cyanea, commonly known as scurvy weed, is a perennial prostrate herb of the family *Commelinaceae* native to moist forests and woodlands of eastern Australia, Lord Howe Island and Norfolk Island. The leaves are used as an edible vegetable. The leaves were used by early non-indigenous colonists to alleviate scurvy, and hence its common name. [https://en.wikipedia.org/wiki/Commelina_cyanea] Commelinaceae commelina commelina cyanea requires discussion