Jorgensen, differs in possessing flower with erect operculum segmented in the upper half in filaments and with tiny filaments inserted in middle adaxially; bracts glandular-serrate; biglandular
petiole occasionally with 1 additional distal gland, 3-lobed lamina divided 1/3-1/4 of its size with cordate base glandular-serrate.
Sepals abaxially densely tomentose and adaxially glabrous, incurved in anthesis, the 4 lateral sepals abaxially biglandular, the anterior sepal eglandular.
5 mm long and biglandular at base, and the inflorescences are shorter, up to 10 cm long in flower, and borne singly in the axils of current vegetative leaves.
Sepals 1.5 mm long beyond glands, 0.8-1.1 mm wide, elliptical or broadly triangular, rounded at apex, appressed in anthesis, abaxially thinly sericeous, adaxially glabrous, the anterior eglandular, the lateral 4 biglandular with the glands green, swollen, rotund or elliptical, 1.1-1.6 mm long, glabrous.