Shrub to 1 m., flowering mostly on relatively short lateral branches; branchlets glabrous to minutely puberulous with short stiff spreading hairs. Leaves mostly subopposite, but smaller, more obovate and more crowded at the base of lateral shoots; petiole 8–15 mm. long; lamina lanceolate to oblong-elliptic, 5–10 cm. long, 1.5–4 cm. wide, acute or obtuse at the apex, cuneate or rounded at the base, glabrous, with 6–8 pairs of lateral nerves, the lower ones sometimes strongly ascending. Umbels 6–8-flowered; peduncle 3–6 mm. long, puberulous; pedicels 2–5 mm. long, puberulous; bract-limb ovate-triangular, 1.5–2 mm. long, pointed or truncate. Receptacle 1.5–2 mm. long, thinly puberulous; calyx 0.3–0.5 mm. long, broadly toothed. Corolla 3.5–3.8 cm. long, tube red, lobes yellow with purple-brown tips, puberulous on head of bud (lobes), sparsely hairy on tube (the longest hairs on the constriction and basal swelling reddish and deflexed); apical swelling of bud cylindrical, 4–4.5 mm. long, 2 mm. in diameter, with flattened thumb-like appendages from near the top of each lobe giving the form of a crown; basal swelling ovoid-globose, 3.5–4 mm. across, narrowed for 3–5 mm. above; lobes erect, 7 mm. long, the upper expanded part lanceolate, 4–4.5 mm. long, 1 mm. wide, hardened inside and slightly thickened towards the base, spurred outside. Stamens pink, inflexed; tooth 0.5 mm. long; anthers 2 mm. long. Style purplish opposite vents, with a 2 mm. long neck above; stigma capitate, 0.8 mm. across. Berry not seen.