Description of the genus
Annual or perennial herbs or subshrubs. Stems 4-angled. Leaves opposite or sometimes in whorls of 3. Flowers bracteate, terminal, in simple spikes or
panicles of spikes. Calyx tubular, distinctly and ± unequally (4-)5-toothed, 5-ribbed. Corolla funnel- or salver-shaped; limb 5-lobed, ± spreading. Stamens (2-)4(-5), included, didynamous. Ovary entire or 4-lobed, 4-locular with 1 ovule per loculus. Fruit splitting into 4 nutlets at maturity, enveloped in the persistent calyx.
Worldwide: 200 species in tropical and temperate America, incl 2-3 in temperate Europe; others weeds elsewhereThe larvae of the following species of insect eat species of this genus:
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Other sources of information about Verbena:Flora of Zimbabwe
(electronic Plant Information Center): VerbenaFlora Zambesiaca
web site: VerbenaGoogle
(Germplasm Resources Information Network) taxonomy for plants report for VerbenaIPNI
(International Plant Names Index): VerbenaKew Herbarium catalogue
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Stefaan Dondeyne 2007-13
Hyde, M.A., Wursten, B.T., Ballings, P. & Dondeyne, S.
. Flora of Mozambique: Genus page: Verbena.
http://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=1201, retrieved 19 May 2013