Thorny shrub to ± 1 m., scabrous.. Tendrils absent; thorns (1–)2– 4(–5) cm.. Leaf-blades elliptic to obovate, 0.5–2 by 0.2–1.5 cm., base subacute, top acuminate-mucronate; margin 0.5–1 mm. dentate; petiole 0.5–2 mm.. Stipules 4–7 mm. False stipules absent.. Inflorescences 2-flowered; flowers at or below the middle of the thorns, peduncular part of thorns 0.5–1.5 cm.. Flower stipe 3–8 mm.; bracts (bracteoles) ± 3 mm.. Hypanthium 2–3 mm. wide.. Sepals 6–10 mm., obtuse, ± scabrous-hispid.. Petals 4.5–6 mm.. Outer corona-tube 1.5–2 mm., threads 1.5–2 mm.. Disk 0.3–0.5 mm.. Inner corona cup-to funnel-shaped, 0.7–1 mm.. Stamens 5; filaments (1–)2–4 mm.; anthers 3–3.5 mm.. Ovary 1.5–2.5 mm.; styles (1–)1.5 mm., connate for 0.2–0.5 mm.. Fruit (excluding the ± 1 mm. long gynophore) 1–1.5 cm., containing 2–5 seeds.. Seeds 5–6 mm.
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