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  1. Cycadophyte | Description, Taxonomy, Evolution, Characteristics ...

    cycadophyte, any member of a diverse collection of mostly extinct primitive gymnospermous plants. Although some botanists prefer to restrict the term cycadophyte to the members of the …

  2. Cycad | Description, Gymnosperm, Species, Examples, Uses, …

    Cycad, any of the palmlike woody gymnospermous plants that constitute the order Cycadales. The order consists of three extant families, which contain about 10 genera and about 310 …

  3. Cycadophyte - Ancient, Gymnosperms, Pollination | Britannica

    Male sporophylls (microsporophylls) are spatulate organs bearing large pollen sacs (microsporangia) in clusters (sori) on their lower (abaxial) surfaces. Up to 200 cubic cm (12 …

  4. Cycadophyta - an overview | ScienceDirect Topics

    The Cycadophyta (also known as Cycadales), or cycads, are a relatively ancient group of plants that were once much more common than today and served as fodder for plant-eating nonavian …

  5. Cycad - New World Encyclopedia

    Cycads (division Cycadophyta) are an ancient group of seed plants characterized by a large crown of compound leaves and a stout, erect trunk up to seven meters (23 feet) high. They are …

  6. Characteristics of Cycadophyta - Weekand

    Aug 26, 2014 · Usually referred to as cycads, the Cycadophyta group is a collection of tropical and subtropical palm-like plants that have evolved on Earth for about 280 million years. …

  7. Cycads - General Characteristics, Life Cycle, Evolution - JRank

    The cycads are a relatively small phylum (Cycadophyta) in the plant kingdom Plantae. The cycads are considered to be gymnosperms, because they bear their seeds naked on modified leaves …

  8. Cycad - San Diego Zoo Animals & Plants

    DIVISION: Cycadophyta; CLASS: Cycadopsida; ORDER: Cycadales; FAMILY: Cycadaceae, Stangeriaceae, Zamiaceae; GENERA: 11; SPECIES: 185

  9. cycads (Phylum Cycadophyta) - iNaturalist

    Cycads /ˈsaɪkædz/ are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today. They typically have a stout and woody (ligneous) trunk …

  10. Cycadophyte - Root Structure, Evolution, Adaptations | Britannica

    Cycadophytes probably had their origins among the progymnosperms of the Devonian Period (419.2 to 358.9 million years ago), possibly among a primitive long-extinct group of non-seed …

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