Sauromatum giganteum (Engl.) Cusimano & Hett.

Underground part a rhizome, 5–8 × 2–5cm, producing numerous annual fusiform offsets. Petiole green, with or without numerous purple spots, 20–60cm; leaf blade ovate, cordate to hastate, 15–45 × 9–25cm, margin entire, apex acuminate. Inflorescence preceding or simultaneous with leaves; peduncle 13–17cm. Spathe convolute at base, erect, oblong-ovate, 4–8cm; limb erect or recurved, ovate, to 15cm, margin sinuous, apex acuminate. Spadix sessile or nearly so, slightly shorter than spathe, to 14cm; female zone cylindric, 1–1.5cm × ca. 8mm; ovary: basal part whitish, apical part purple, cylindric, apex truncate, 2-ovuled; stigma sessile, gray, disciform; sterile zone 2–3cm, covered by distant staminodes of different types; proximal staminodes with clavate apical part, middle ones with subulate apical part, distal ones with apical part reduced to a stump; male zone ca. 2cm × 8mm; male flowers sessile; anthers ± cream-colored, with pinkish flushes, ovoid, opening by apical pore; appendix sessile, cylindric, to 6cm, ca. 5mm in diam. at base, base slightly attenuate, apex obtuse. Fruiting zone elongate, naked, ca. 5 × 3 cm; berries crowded, violet-purple, keeled, apex acute.