Vernonieae

Vernonieae

Taxobox
name = Vernonieae


image_caption = Ironweed ("Vernonia altissima")
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Asterales
familia = Asteraceae
tribus = Vernonieae
tribus_authority = Cassini
subdivision_ranks = Genera
subdivision = Partial list: "Centratherum"cite web | url = http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=20545 | title = 187d. Asteraceae Martinov tribe Vernonieae Cassini | work = Flora of North America] "Cyanthillium" "Elephantopus" "Pseudelephantopus" "Stokesia" "Vernonia"

Vernonieae is a tribe of about 1300 species of plants in the aster family. They are mostly found in the tropics and warmer temperate areas, both in the Americas and the Old World. They are mostly herbaceous plants or shrubs, although there is at least one tree species, "Vernonia arborea".

Taxonomy

Vernonieae is considered sister to the tribe Liabeae.cite journal | journal = Molecular Phylogenetics and Evolution | volume = 44 | issue = 1 | date = July 2007 | pages = 89–103 | doi = 10.1016/j.ympev.2006.12.024 | title = A phylogeny of the “evil tribe” (Vernonieae: Compositae) reveals Old/New World long distance dispersal: Support from separate and combined congruent datasets (trnL-F, ndhF, ITS) | author = Sterling C. Keeleya, Zac H. Forsmanb and Raymund Chana ] [cite journal
last = Panero
first = JL
coauthors = VA Funk
title = Toward a phylogenetic subfamilial classification for the Compositae (Asteraceae)
journal = Proceedings of the Biological Society of Washington
volume = 115
issue = 4
pages = 909–922
publisher = Biological Society of Washington
date = 2002-12-30
url = http://www.mnh.si.edu/biodiversity/bdg/Panero&Funk2002.pdf
format = dead link|date=June 2008 – [http://scholar.google.co.uk/scholar?hl=en&lr=&q=author%3A+intitle%3AToward+a+phylogenetic+subfamilial+classification+for+the+Compositae+%28Asteraceae%29&as_publication=Proceedings+of+the+Biological+Society+of+Washington&as_ylo=&as_yhi=&btnG=Search Scholar search]
] The tribe originated in southern Africa or Madagascar, and spread to the Americas in at least two different events.

In many works some 80% of the species in this tribe are classified in the genus "Vernonia". Other authors, like Harold E. Robinson, divide the tribe into a larger number of small genera.

References

External links

*cite journal
last =Cassini
first =Alexandre de
authorlink =Alexandre de Cassini
title = unknown
journal =Journal de Physique, de Chimie et d'Histoire Naturelle
volume = 88
pages =196
location =Paris
date =1794-1823
url =http://www.archive.org/details/journaldephysiqu88pari
id =J. Phys. Chim. Hist. Nat. Arts
accessdate = 2008-06-30


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