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Cycads resemble hands, yet are taxonomically rather various. they seem to be a major and irreplaceable portion of the planet's organic variety, having advanced numerous and infrequently precise morphological, anatomical and biochemical positive aspects in the course of their 250-million-year evolutionary heritage. Many cycad species exist this day purely as small, poorly-known or remoted populations or as decorative species in botanic gardens. on the way to comprehend totally, in addition to to preserve, this across the world endangered tropical plant team, it truly is paramount that cycad systematics are studied, documented and subtle. This quantity offers the present kingdom of our wisdom of the systematics of the nearly three hundred species of cycads. It contains contributions from top researchers from Australia, China, Italy, Mexico, South Africa, Thailand and america. it's been constructed from papers provided at a workshop held in 2002, on the Montgomery Botanical Center.

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