Austrocylindropuntia cylindrica

Erect shrub 1–3 m high, often with trunk to 1 m high and 10 cm diam. Terminal cladodes cylindric, 6–70 cm long, 1.5–5 cm diam., glabrous, greyish-green to darkish green, with slightly raised, rounded, rhomboidal to hexagonal tubercles; areoles somewhat depressed, 10–23 mm apart, filled with white wool; spines 1–6 per areole, spreading to deflexed, 1–2 cm long, 0.6–0.8 mm wide near base, straight, pale yellow, ageing brown or grey; glochids pale, very small and inconspicuous. Flowers subterminal, 2–3.5 cm diam.; perianth lobes firm, erect; sepaloids red; petaloids dull red; staminal filaments reddish above, white below, anthers pale yellow; style white, stigma green; hypanthium tuberculate. Fruit barrel-shaped, with deep apical depression when young, 3–7 cm long, 2–4 cm diam., tuberculate, spinose (spines deciduous), yellowish-green to orange when ripe, often persisting, sometimes proliferating. Flowers late spring–summer.