It was named by Thomas Griffith Taylor of the British Antarctic Expedition, 1910–13 (BrAE), in association with Garwood Glacier.

Named by New Zealand Geographic Board (NZGB) after Jane Alexandra (1829-92), an early botanist with an interest in lower plants.

Named by Taylor of the BrAE (1910-13) for Edmund Johnston Garwood, professor of geology and mineralogy at the University of London.

[5] Projection Peak at the southwest extremity of Hobbs Ridge rises above the head of Garwood Glacier.

[8] This article incorporates public domain material from websites or documents of the United States Geological Survey.