Dendrobium speciosum.
Botanical name:
Dendrobium speciosum Sm. Orchideae. Rock-Lily.
Australia. This orchid, found growing upon rocks, has large pseudo-bulbs, the size of cucumbers, which are said to be eaten by the natives.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.