Difference between revisions of "Zamiaceae"
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|discussion=<p>Genera 9, species ca. 100 (1 genus, 1 species in the flora).</p> | |discussion=<p>Genera 9, species ca. 100 (1 genus, 1 species in the flora).</p> | ||
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|family=Zamiaceae | |family=Zamiaceae | ||
|illustrator=John Myers | |illustrator=John Myers | ||
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|distribution=Primarily tropical to warm temperate regions;North Americ;Central America;South America;Africa;Australia. | |distribution=Primarily tropical to warm temperate regions;North Americ;Central America;South America;Africa;Australia. | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_662.xml |
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Revision as of 19:50, 16 December 2019
Plants superficially palmlike or fernlike, perennial, evergreen, dioecious. Stems subterranean with exposed apex or aboveground, fleshy, stout, cylindric, simple or irregularly branched. Roots with small secondary roots; coral-like roots developing at base of stem at or below soil surface. Leaves pinnately compound, spirally clustered at stem apex, leathery, petiole and rachis unarmed [with stout spines]; leaflets entire or dentate [spinose], venation dichotomous [netted]; resin canals absent. Cones axillary, appearing terminal, short-peduncled [sessile], disintegrating at maturity; sporophylls densely crowded, spirally arranged, often covered with indument. Pollen cones soon shed, generally smaller and more numerous than seed cones; sporophylls bearing many crowded, small microsporangia (pollen sacs) adaxially; pollen spheric, not winged. Seed cones persistent for a year or more, 1(–2) per plant, nearly globose to ovoid, tapering sharply or blunt at apex; sporophylls peltate, thickened and laterally expanded distally, bearing 2(–3) ovules. Seeds angular, inner coat hardened, outer coat fleshy, often brightly colored; cotyledons 2.
Distribution
Primarily tropical to warm temperate regions, North Americ, Central America, South America, Africa, Australia.
Discussion
Genera 9, species ca. 100 (1 genus, 1 species in the flora).
Selected References
None.
