9138.000 Parthenium L.

Wild, H. (1967) The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) 1-62

Description of the genus

Annual herbs (in ours). Leaves alternate, 2-pinnately lobed. Capitula in terminal panicles, radiate, heterogamous. Phyllaries in 2-3 series. Receptacular scales present. Disk florets sterile, ray florets fertile. Corolla of female florets small, subcircular; of disk florets narrowly funnel-shaped. Achenes of ray florets flattened, clasped by a phyllary and 2 lateral receptacular scales. Pappus of 2 recurved awns, forming an apparent rim to the achene.

Worldwide: 16 species in N America and the West Indies

Zimbabwe: 1 taxon.

Parthenium hysterophorus

Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
hysterophorus L.W,C,E,SDescription, Image

Other sources of information about Parthenium:

Our websites:

Flora of Mozambique: Parthenium

External websites:

ePIC (electronic Plant Information Center): Parthenium
Flora Zambesiaca web site: Parthenium
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Parthenium
IPNI (International Plant Names Index): Parthenium
Kew Herbarium catalogue: Parthenium

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Genus page: Parthenium.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1511, retrieved 7 December 2016

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