Is Codiaeum and Quesnelia native to the same geographical area?
Codiaeum Codiaeum is a genus of plants under the family Euphorbiaceae first described as a genus in 1824. It is native to insular Southeast Asia, northern Australia and Papuasia.
Trachelium caeruleum Trachelium caeruleum (common name blue throatwort) is a species of flowering plant in the family Campanulaceae native to the Mediterranean, where its native range includes Algeria, Morocco, Portugal, Spain, and Sicily. It has also become naturalized in a few areas, including New Zealand, the Azores, and parts of mainland Europe.