cycadales
cycadales defined in 1951 year
cycadales - cycadales;cycadales - Order of Gymnospermae with fossil (Mesozoic), and a few living, representatives. Most primitive living seed plants. Indigenous to tropical and sub-tropical zones; living to a great age, up to 1000 years. Stem unbranched, tuberous or columnar, up to 20 metres in height, bearing a crown of fern-like leaves. Dioecious. Microsporophylls distinct from vegetative leaves, arranged in a compact cone. Megasporophylls leaf-like structures, loosely grouped, or highly modified, grouped in a compact cone. Male gametes motile by cilia.
near cycadales in Knolik
| cyanophyta | home letter "C" start from "CY" | cycadofilicales |
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