Eulophia protearum Rchb.f., Flora 50: 104 (1867).
Rhizome thickened. Leaves linear-setaceous, cartilaginous. Scapes with two appressed nerved sheaths at the base, 9 in. high; racemes few-flowered. Flowers yellow, with a trace of red. Sepals oblong-ligulate, acute, 5 lin. long. Petals ovate-oblong, acute, 5 lin. long. Lip trilobed; side lobes obtusely angled; front lobe ovate, crenulate at the sides; disc with five keel-like nerves; spur clavate-cylindrical, 1 1/4 lin. long. Column cylindrical, apiculate.