 "Muellerina celastroides" is an erect or spreading plant which is smooth except for the inflorescence axis which is covered with minute, brown, densely matted woolly hairs.The leaves are oblong to elliptic and 2.5-7 cm long and 15-25 mm wide, with a rounded apex and an attenuate base.The inflorescence is a raceme of 1–3 pairs of triads, with the stems of lateral flowers being 3–6 mm long.