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Lewis, J. (1960) Cycadaceae (including Zamiaceae) Flora Zambesiaca 1(1)
Trees. Trunk tall or very short, bearing spirally arranged leaf-bases and scale leaves. Leaves closely spirally arranged, pinnate; leaflets with one thick midrib and no lateral veins, entire. Male scales arranged in apical cones, each scale with many pollen-sacs on the abaxial surface. Female scales frond-like, lanceolate or narrowly ovate, irregularly dentate, not forming a definite cone but spirally arranged in an apical whorl. Seeds ovoid. Worldwide: 1 genus and 17 species extending from Africa to Japan and Australia Zimbabwe: 1 cultivated genus and 4 cultivated taxa. |
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Cycas L. | Description |
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