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For the identification of a flowering plant the first step usually is to discover to which family it belongs. With some experience, the families commonly encountered in one's area of interest are soon known, but when dealing with specimens from other places, notably those from the vast and rich subtropics and tropics, there is much less certainty. The pertinent literature is often not readily available as it is often found only in expensive, rare or obscure books, or journals, present only in a few specialized institutes. Basically only a few keys to the families of flowering plants of the world have ever been produced, the best known of which at present is Hutchinson's Key to the families of flowering plants (1973); less well-known are Lemee's Tableau analytique des genres monocotyledones (1941) (incl. Gymnosperms) and his Tableau analytique des genres dicotyledones (1943), and Hansen and Rahn's Determination of Angiosperm families by means of a punched-card system (Dansk Bot. Ark. 26, 1969, with additions and corrections in Bot. Tidsskr. 67, 1972, 152-153, and Ibid. 74 1979, 177-178). Of note also are Davies and Cullen's The identification of flowering plant families, 2nd ed. (1979), which, however, deals only with the families native or cultivated in North Temperate regions, and Joly's Chaves de identifi~iio das familias de plantas vasculares que ocorrem no Brasil, 3rd ed. (1977), which may be useful in other tropical areas too.
A concise, up-to-date and fully-integrated discussion of present-day plant taxonomy.
The Illustrated Handbook of Succulent Plants represents the first comprehensive taxonomic treatment of succulents in thirty years. It covers over 9000 taxa of all succulents except Cactaceae. This volume on the Asclepiadaceae (milkweed family) presents all kinds of succulent plants from geophytic Raphionacme, leaf succulent Hoya to stem succulent Cynanchum and, of course, the popular stapeliads (carrion flowers). A total of 1119 species are included; of the 70 genera treated, 49 are covered in their entirety. The most species-rich assemblages are Ceropegia (lantern flowers) and Brachystelma. For the latter a complete generic treatment is presented for the first time. The handbook is devoted to a family famous for their outstandingly complex and beautiful flowers and is illustrated with 332 superb colour photos. Keys to genera are provided; for all accepted taxa, descriptions including typification and distributional data, full synonymy and literature references are given.
An important prerequisite for successful conservation is a good understanding of what we seek to conserve. Nowhere is this more the case than in the fight to protect plant biodiversity, which is threatened by human activity in many regions worldwide. This book is written in the belief that tools that enable more people to understand biodiversity can not only aid protection efforts but also contribute to rural livelihoods. Among the most important of those tools is the field guide. Plant Identification provides potential authors of field guides with practical advice about all aspects of producing user-friendly guides which help to identify plants for the purposes of conservation, sustainable use, participatory monitoring or greater appreciation of biodiversity. The book draws on both scientific and participatory processes, supported by the experience of contributors from across the tropics. It presents a core process for producing a field guide, setting out key steps, options and techniques available to the authors of a guide and, through illustration, helps authors choose methods and media appropriate to their context.
First Published in 2006. Routledge is an imprint of Taylor & Francis, an informa company.
The succulent species of the families of subclass Rosidae are presented by alphabet of families, genera, and species, with comprehensive listings of synonyms added at all levels. Detailed descriptions are given for all accepted taxa, together with data on the distribution and typification, and references to the most important literature. Where necessary, information on ecology, ethnobotany, history, etc. is added, and in many places, proposed relationships are critically discussed. The volume covers the succulents from the families Anacardiacae, Begoniaceae, Bixaceae, Brassicaceae, Burseraceae, Capparaceae, Caricaceae, Clusiaceae, Cucurbitaceae, Euphorbiaceae, Fabaceae, Francoaceae, Geraniaceae, Malvaceae, Melastomataceae, Meliaceae, Moraceae, Moringaceae, Oxalidaceae, Passifloraceae, Sapindaceae, Tropaeolaceae, Urticaceae, Vitaceae and Zygophyllaceae.