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Short-stemmed or with a trunk up to 1–3 m. tall. Leaves about 1 x 0–25 m.; median leaflets up to 20 x 7 cm., ovate with the margin fairly regularly divided into deltoid spinescent teeth which are c. 0–5 cm. long on the lateral margins but appear longer apically; leaflets diminishing in size towards the leaf-base, ultimately becoming bifurcated spines. Median male cone-scales ascending with the head deflexed; head triangular in outline with a hexagonal terminal facet. Female cone, 30 x 15 cm., 1–3, subsessile, bright red; median cone-scales up to 7 cm. long, glabrous, with a dorsiventrally flattened head of almost square outline bearing two long processes that extend to the cone-axis between the seeds of adjacent scales, the umbo concave terminally and not deflexed. Seeds 5 x 1–5 cm., bright vermilion-red, becoming black, the fleshy part exceeding the stony inner part distally by about 2 cm.