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Information Erect perennial herb up to 70 cm., growing from a woody rootstock, glabrous. Tendrils up to 6 cm., sometimes absent. Leaf-blades elliptic to lanceolate, 1.5–8 by 0.5–2(–4.5) cm., base acute, apex obtuse to acute, margin serrate, the teeth to 1 mm., sharply mucronate; petiole 0.1–0.4(–0.6) cm. Stipules 2–3 mm. False stipules asymmetrical, (0.5–)1–4 cm., acute at both ends, margin serrate. Inflorescences 1–2-flowered; peduncle 1–5 cm.; bracts 1.5–3 mm. Flowers glabrous; stipe 2–5 mm. Hypanthium ± 2.5 mm. wide. Sepals 5, the inner ± petaloid, 4–5.5 mm., obtuse. Petals 0. Outer corona-tube ± 2 mm.; threads 1–1.8 mm. Disk 0.2–0.5 mm. Inner corona cup-shaped, 0.7–1 mm. Stamens 5; filaments 1.5–2.5 mm.; anthers 0.7– 1 mm. Ovary 0.7–1.3 mm.; styles 3(–4), 0.7–1.3 mm., free. Fruit (excluding the 3–6 mm. long gynophore) 1.5–2 cm., containing 1–3 seeds. Seeds ±7 mm.

Information Erect, perennial, glabrous herb up to 70 cm. high, with a woody rootstock. Leaf-lamina 1·5–10 × 0·5–2(4·5) cm., elliptic to lanceolate, obtuse or acute at the apex, margin ± conspicuously serrate, the teeth up to 1 mm. deep, mucronate, acute at the base; petiole 1–4(6–12) mm. long. Stipules 2–3 mm. long. False stipules asymmetrical, (0·5)1–4 cm., acute at both extremities, ± serrate at the margin. Axillary tendrils up to 8 cm. long. Cymes 1–2-flowered; peduncles 1–5 cm. long; bracteoles 1·5–3 mm. long, filiform; inflorescence tendrils up to 6 cm. long, slender. Flowers pale yellow with stipe 2–5 mm. long. Hypanthium c. 2·5 mm. broad. Sepals 5, the inner ones ± petaloid, 4–5·5 mm. long, obtuse at the apex. Petals absent. Outer corona with the tube c. 2 mm. high and the threads 1–1·75 mm. Inner corona 0·75–1 mm. high, cup-shaped. Stamens 5, with the filaments 1·5–2·5 mm. long and the anthers 0·75–1 mm. long. Ovary 0·75–1·25 mm. long; styles 3(4), 0·75–1·25 mm. long, free. Capsule 1·5–2 cm. long, 1–3-seeded. Seeds c. 7 mm. long.