monolayer-surrounded lipid storage body (GO:0012511)

A subcellular organelle of plant cells surrounded by 'half unit' or a monolayer membrane instead of the more usual bilayer The storage body has a droplet of triglyceride surrounded by a monolayer of phospholipids, interacting with the triglycerides and the hydrophilic head groups facing the cytosol, and containing major protein components called oleosins.

References

gene ontology: GO:0012511