Mexico Comisión Nacional para el Conocimiento y Uso de la Biodiversidad Includes video, music, photographs, drawings. Illustrations from: Cyads of the world / David L Jones, 1992, and: Reservas de la ...
Most plants get their coloration from pigments, but an endangered South African cycad gets its unique silvery-blue hue from wax crystals and an underlying chlorophyll-rich layer, according to a recent ...
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