Corolla apiculate in bud; greenish-white or yellowish, the lobes often a more distinct yellow; tube 4–6 mm long, funnel-shaped, with a ring of deflexed hairs below the throat inside; lobes triangular-lanceolate, 4–5 × 2 mm at the base, including the very short appendages.
Glabrous subshrub or shrub 0.6–1.2 m tall, with rather slender somewhat glaucous much branched stems with reddish-brown eventually somewhat flaking bark.
Flowers solitary; peduncle 5–10 mm long; pedicels 5–8 mm long; bracts 2, minute, scarcely 1 mm long, lanceolate.
Pollen presenter 1.5 mm long, ellipsoid, later subcoroniform, strongly 3-lobed at the apex.
Calyx tube 1–2 mm long, obconic, the limb 0.5–0.75 mm long undulate or shallowly toothed.
Fruit up to 8 × 10 mm with 1–3 pyrenes; pyrenes c. 8 mm long, deeply lobed in dry state.
Stigma exserted about 1 mm.
Ovary 3-locular.