Volume 78, Issue 4, December 2012

ISSN: 0006-8101 (Print) 1874-9372 (Online)

In this issue (9 articles)

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    Foreword: A Festschrift on the occasion of Dennis Wm. Stevenson’s 70th birthday

    Barbara A. Ambrose, Kenneth G. Karol, Lawrence M. Kelly… Pages 307-309
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    Rescuing Robert Brown—The Origins of Angio-Ovuly in Seed Cones of Conifers

    P. B. Tomlinson Pages 310-334
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    A New Zamia Species from the Panama Canal Area

    Alberto Sidney Taylor Blake, Gregory Holzman Pages 335-344
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    The Immense Diversity of Floral Monosymmetry and Asymmetry Across Angiosperms

    Peter K. Endress Pages 345-397
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    Systematic Placement of Dasypogonaceae Among Commelinid Monocots: Evidence from Flowers and Fruits

    Paula J. Rudall, John G. Conran Pages 398-415
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    Floral Morphology and Organogenesis in Tinantia pringlei, Along with a Review of Floral Developmental Variation in the Spiderwort Family, Commelinaceae

    Christopher R. Hardy, Jason Ryndock Pages 416-427
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    Pollen Morphology of Xyridaceae Systematic (Poales) and its Potential

    Lisa M. Campbell Pages 428-439
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    Homoplasy, Pollination, and Emerging Complexity During the Evolution of Floral Development in the Tropical Gingers (Zingiberales)

    Chelsea D. Specht, Roxana Yockteng, Ana Maria Almeida… Pages 440-462
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    Leaf Development, Metamorphic Heteroblasty and Heterophylly in Berberis s. l. (Berberidaceae)

    Natalia Pabón-Mora, Favio González Pages 463-489
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