Branchlets densely warted, about 1 1/2 lin. in diam. 1 ft. below the apex, the younger parts covered with rusty branched hairs which are easily rubbed off; internodes 1/2–2 in. long. Leaves opposite or subopposite, ovate-lanceolate, 2 1/4–2 3/4 in. long, 10–15 lin. broad, subacute at the apex, rounded or obtuse at the base, thinly coriaceous, glabrescent; lateral nerves 4–5 on each side, rather oblique, anastomosing far from the margin, slightly raised on the upper surface, inconspicuous on the lower; midrib inconspicuous on the upper surface, much raised on the lower; petiole 4–5 lin. long. Only detached flowers known. Receptacle and calyx together campanulate, 3/4 lin. long without the calyx-teeth, clothed with easily-detached rusty hairs. Calyx-teeth triangular, 1/8– 1/4 lin. long. Corolla fiery red (Braun), 1 1/3 in. long, sparingly clothed outside with easily-detached rusty hairs, apical swelling of the bud oblong, subacute; tube split unilaterally 1/2 in. down, basal swelling subglobose, 1 1/2 lin. in diam.; lobes erect, lanceolate-spathulate, about 3 1/4 lin. long, upper enlarged part lanceolate, acute, over 1 1/2 lin. long, under 1/2 lin. broad, with a hard inner layer sharply demarcated below. Filaments inflexed or involute, tapering upwards, about 2 lin. long, curved outwards at the base, thickened in the uppermost 1/4 lin., tooth narrowly triangular, acute, 1/7 lin. long; anthers oblong-linear, 3/4 lin. long, 1/7 lin. broad. Disc very thick, 1/4 lin. high, teeth small, acute. Style skittle-shaped above, thickened part about 1 1/2 lin. long, neck nearly 1 lin. long; stigma ovoid or ellipsoid, about 1/3 lin. long.