Phytomelanin Cypsela CladeJose L. Panero
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.
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.close box
Chloroplast DNA phylogeny after Panero (2007).
The Phytomelanin Cypsela Clade (PCC) contains approximately 5400 species in 460 genera classified in 11 tribes. Most species are endemic to the New World. They represent approximately half of the species of sunflowers in the Western Hemisphere and nearly one quarter of all species in the family. Most members of the group are annual or perennial herbs but shrubs and even trees are also well represented, especially in the Neotropics. Most species can be found in seasonally dry habitats. Spring ephemerals are important components of the desert floras of North America, whereas shrubby and arborescent members are mostly found in the extensive pine-oak forests of Mexico and scattered throughout the Andean forests of tropical South America and central Brazil.
Panero, J. L. 2007. Compositae: key to the tribes of the Heliantheae alliance. Pages 391-395 in Families and Genera of Vascular Plants, vol. VIII, Flowering Plants, Eudicots, Asterales. Kadereit, J. W., C. Jeffrey (eds.), Springer-Verlag, Berlin.
Panero, J. L., and V. A. Funk. 2008. The value of sampling anomalous taxa in phylogenetic studies: major clades of the Asteraceae revealed. Mol. Phylogenet. Evol. (in press).
Jose L. Panero
University of Texas, Austin, Texas, USA
Correspondence regarding this page should be directed to Jose L. Panero at
Page copyright © 2008 Jose L. Panero
Page: Tree of Life Phytomelanin Cypsela Clade. Authored by Jose L. Panero. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.
- First online 04 April 2008
- Content changed 04 April 2008
Citing this page:
Panero, Jose L. 2008. Phytomelanin Cypsela Clade. Version 04 April 2008 (under construction). http://tolweb.org/Phytomelanin_Cypsela_Clade/22911/2008.04.04 in The Tree of Life Web Project, http://tolweb.org/