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Red willow, Salix laevigata Euphorbia canariensis
taxon links [up-->]Samydaceae [up-->]Scyphostegia borneensis [up-->]Salicaceae [up-->]Lacistemataceae Monophyly UncertainMonophyly UncertainPhylogenetic position of group is uncertain[down<--]Rosids Interpreting the tree
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This tree diagram shows the relationships between several groups of organisms.

The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.

example of a tree diagram

You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names of descendent subgroups to travel up the Tree of Life all the way to individual species.

For more information on ToL tree formatting, please see Interpreting the Tree or Classification. To learn more about phylogenetic trees, please visit our Phylogenetic Biology pages.

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Relationships after Savolainen et al. (2000), Soltis et al. (2000), and Chase et al. (2002)
Containing group: Rosids


Chase, M. W., S. Zmarzty, M. D. Lledó, K. J. Wurdack, S. M. Swensen, and M. F. Fay. 2002. When in doubt, put it in Flacourtiaceae: A molecular phylogenetic analysis based on plastid rbcL DNA sequences. Kew Bulletin 57:141-181.

Davis, C. C. and M. W. Chase. 2004. Elatinaceae are sister to Malpighiaceae; Peridiscaceae belong to Saxifragales. American Journal of Botany 91(2): 262-273.

Davis, C. C., M. Latvis, D. L. Nickrent 2, K. J. Wurdack, and D. A. Baum. 2007. Floral gigantism in Rafflesiaceae. Science: DOI: 10.1126/science.1135260

Davis, C. C. and K. J. Wurdack. 2004. Host-to-parasite gene transfer in flowering plants: Phylogenetic evidence from malpighiales. Science 305(5684):676-678.

Litt, A. J. and M. W. Chase. 1999. The systematic position of Euphronia, with comments on the position of Balanops: An analysis based on rbcL sequence data. Systematic Botany 23:401-409.

Merino Sutter, D. and P. K. Endress. 2003. Female flower and cupule structure in Balanopaceae, an enigmatic rosid family. Annals of Botany 92: 459-469.

Qiu, Y. L., J. H. Lee, F. Bernasconi-Quadroni, D. E. Soltis, P. S. Soltis, M. Zanis, E. A. Zimmer, Z. D. Chen, V. Savolainen, and M. W. Chase. 2000. Phylogeny of basal angiosperms: Analyses of five genes from three genomes. International Journal of Plant Sciences 161:S3-S27.

Savolainen, V., M. W. Chase, S. B. Hoot, C. M. Morton, D. E. Soltis, C. Bayer, M. F. Fay, A. Y. De Bruijn, S. Sullivan, and Y. L. Qiu. 2000a. Phylogenetics of flowering plants based on combined analysis of plastid atpB and rbcL gene sequences. Systematic Biology 49:306-362.

Savolainen, V., M. F. Fay, D. C. Albach, A. Backlund, M. van der Bank, K. M. Cameron, S. A. Johnson, M. D. Lledó, J.-C. Pintaud, M. Powell, M. C. Sheahan, D. E. Soltis, P. S. Soltis, P. Weston, W. M. Whitten, K. J. Wurdack, and M. W. Chase. 2000b. Phylogeny of the eudicots: a nearly complete familial analysis based on rbcl gene sequences. Kew Bulletin 55:257-309.

Soltis, D. E., P. S. Soltis, M. W. Chase, M. E. Mort, D. C. Albach, M. Zanis, V. Savolainen, W. H. Hahn, S. B. Hoot, M. F. Fay, M. Axtell, S. M. Swensen, L. M. Prince, W. J. Kress, K. C. Nixon, and J. S. Farris. 2000. Angiosperm phylogeny inferred from 18S rDNA, rbcL, and atpB sequences. Botanical Journal of the Linnean Society 133:381-461.

Title Illustrations
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Red willow, Salix laevigata
Scientific Name Salix laevigata
Location Kearsarge Pass (Fresno County, California, USA)
Comments Red willow (Salicaceae)
Creator Photograph by Charles Webber
Specimen Condition Live Specimen
Source Collection CalPhotos
Copyright © 1998 California Academy of Sciences
Scientific Name Rhizophora sp.
Location Singapore
Comments A4 300dpi free for download as part of the International Year of the Reef. Please credit to Ria Tan, www.wildsingapore.com Photo reference: 070520smkd1224
Specimen Condition Live Specimen
Source Bakau (Rhizophora sp.)
Source Collection Flickr
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs License - Version 2.0.
Copyright © 2007 Ria Tan
Euphorbia canariensis
Scientific Name Euphorbia canariensis
Location Buenavista del Norte, Teneriffa, Canary Islands
Comments Euphorbiaceae
Acknowledgements courtesy Botanical Image Database
Copyright © 2001 University of Basel, Basel, Switzerland
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Citing this page:

Tree of Life Web Project. 2002. Malpighiales. Version 01 January 2002 (temporary). http://tolweb.org/Malpighiales/21033/2002.01.01 in The Tree of Life Web Project, http://tolweb.org/

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This page is a Tree of Life Branch Page.

Each ToL branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the Tree of Life. The major distinction between a branch and a leaf of the Tree of Life is that each branch can be further subdivided into descendent branches, that is, subgroups representing distinct genetic lineages.

For a more detailed explanation of the different ToL page types, have a look at the Structure of the Tree of Life page.

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