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Araceae
Sauromatum venosum (Dryand. ex Aiton) Kunth
SUMMARY
Tuber depressed globose, to ca. 9cm high and ca. 15cm in diam., producing numerous annual offsets, these globose or depressed globose. Petiole yellowish green, with rounded purplish brown spots, 20–100cm; leaf blade 9–11-pedatifid; central lobe oblong or oblong-elliptic to oblanceolate, 10–40 × 4–20cm, acuminate; lateral leaflets elliptic, gradually smaller toward distal end of rachis. Inflorescence appearing before leaves; peduncle greenish white, with or without a few brown spots, 3–7cm, sometimes elongating during fruiting. Spathe base outside dull dark violet, inside rich reddish purple, ellipsoid, 5–10 × 2–4cm; limb convolute at base, ca. 10cm, distally outside as base but slightly darker and with a few violet longitudinal stripes, inside background color yellowish, almost entirely covered by numerous orbicular to elliptic, confluent dark purple spots, lanceolate, 30–70 × 8–10cm, apex acuminate. Spadix slightly shorter than or as long as spathe; female zone subcylindric, 2–2.5 × 1–1.5cm; ovary violet or pale purple, obovoid, 2–4-ovuled; sterile zone 8–8.5cm, proximal 2–2.5cm sparsely covered with long staminodes, distally grooved and with a few distant conic projections, proximally whitish, distally pale brownish violet; staminodes yellow, clavate, 4–10mm; male zone 1–2 × 1–1.5cm; stamens yellow; appendix at first erect, finally recurved, pale brown to pale violet or lead-colored, terete, to30 cm, ca. 1cm in diam. at base, obtuse. Fruiting zone globose or subcylindric, naked, to ca. 9cm in diam.; berries crowded, bright purple, cylindric, 5–10 × 2–4mm, angulate, apex truncate.