Aeonium arboreum

Perennial shrub to c. 1.2 m tall; branches ascending, 10–30 mm diam., glabrous; leaf scars 4–7(–10) mm wide, c. 1 mm long. Rosette to c. 25 cm diam.; leaves obovate to oblanceolate, 50–90 mm long, 15–30 mm wide, c. 1 mm thick, glossy green, apex acute, obtuse or emarginate with a mucro, base cuneate, margins with curved cilia. Inflorescence conical, 14–28 cm long, 11–17 cm diam., glabrous; peduncles 5–8 cm long; pedicles 6–9(–12) mm long. Flowers erect or spreading; sepals 9–11, ovate, 2–3.5 mm long, apex acuminate, green; petals 9–11, linear-lanceolate, 6–7 mm long, apex acuminate, bright yellow; stamens 4.5–5 mm long, nectary glands yellow; ovaries white to yellowish-green, glabrous, styles c. 5–5.5 mm long, c. 0.2 mm wide, white to yellowish. Seeds not seen. Flowers mostly spring–summer.