Somewhat ironically, one of the best pictures I have of a It isn't as obvious, but the pair-flowered cyme is the basic Is to closely examine a saintpaulia flowerstalk or a multi-floweredīecause the flowerstalks are larger than in other gesneriads, The best way to get the idea of a cyme (and its pair-flowered variant) What usually does not happen is for one or more to be present ** more than two flowers ( and one or more present). ** two flowers ( present but both absent), Usually are in a plane perpendicular to that of the secondaryĬymes - that is, they would be coming toward you out of the In the pair-flowered cyme, the top flower and the pair flower With the extra one (the pair flower) directly below the first.Īgain, F = flower, C = cyme, and something in brackets meansĠ or 1 of the unit. Instead of ending in a single flower, it ends in one or two,
Violet or streptocarpus, and all will become clear. Trust me, look at the branching of a multiflowered stalk on an African Terminal flowerbuds of the cyme's node's cymes, followed by the terminalįlowerbuds of the cyme's node's cyme's node, ad not quite infinitum. On a cyme the terminal flowerbud develops first, followed by the The word "recursively" above), but really isn't.Īfter some number of branchings, the stem terminates in a singleįlowerbud, and there the circularity ("recursion") stops.
This definition sounds circular (and that is what is meant by On a raceme the lowest pedicels and their associated flowers developįirst, followed by the next lowest, and so on.Ī raceme tends to peter out in one or more buds which don't fully develop.Ī cyme is a stem terminating in a flowerbud, but which might have,īelow the flowerbud, a node from which one or two cymes develop. In English, here is what those diagrams mean:Ī raceme is a stem from which one or more pedicels develop at a node,Īnd which continues to another node, from which one or more pedicelsĭevelop, and which continues to another node, from which one or more Rest of you don't worry if you didn't know what that meant): Or programming, raceme and cyme can be defined recursively as follows (the Cyme Inflorescence upon which the topmost or outermost flower opens firstįor those of you with a little background in computer science or mathematics gladiolus, foxglove, smithiantha, Diastema racemiferum). Raceme Inflorescence upon which the bottom flowers open first Peduncle Stalk terminating in one or more pedicels.
Pedicel Stalk terminating in a single flower. Location of inflorescences in Sinningiaĭefinitions First, some definitions: Inflorescence Group of flowers ultimately originating from a single stalk or axil.Our online platform, Wiley Online Library () is one of the world’s most extensive multidisciplinary collections of online resources, covering life, health, social and physical sciences, and humanities. With a growing open access offering, Wiley is committed to the widest possible dissemination of and access to the content we publish and supports all sustainable models of access. Wiley has partnerships with many of the world’s leading societies and publishes over 1,500 peer-reviewed journals and 1,500+ new books annually in print and online, as well as databases, major reference works and laboratory protocols in STMS subjects. Wiley has published the works of more than 450 Nobel laureates in all categories: Literature, Economics, Physiology or Medicine, Physics, Chemistry, and Peace. has been a valued source of information and understanding for more than 200 years, helping people around the world meet their needs and fulfill their aspirations.
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