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Systematics of the New World Species of Marsilea (Marsileaceae)
David M. Johnson
出版American Society of Plant Taxonomists, 1986
主題Science / Life Sciences / Taxonomy
ISBN09128611189780912861111
URLhttp://books.google.com.hk/books?id=5kUlAQAAMAAJ&hl=&source=gbs_api
註釋A systematic revision of the New World species of Marsilea (Marsileaceae), involving field, greenhouse, herbarium, and laboratory studies, was conducted. Comparison of Marsileaceae to floating-leaved rhizomatous aquatic angiosperms revealed numerous structural convergences between the two, and suggested that adaptation to flotation was an important factor in determining the morphology of the Marsilea leaf. The plants showed extreme environmental plasticity. For example, stomatal patterns and presence of