Description
(
Inglês
)
fornecido por Flora of Zimbabwe
Monoecious annual herbs.
Leaves alternate, crenate, deeply toothed or lobed. Capitula unisexual, discoid. Male capitula terminal, spherical, many-flowered; phyllaries few, free; receptacular scales present; corolla 5-dentate. Female capitula axillary, 2-flowered; involucre enclosing and surrounding the 2 flowers, covered with hooked bristles; corolla 0; pappus 0. Achenes obovoid or oblong, enclosed in the persistent hard involucre which bears many hooked spines.Unusual-looking plants, atypical for Asteraceae.
- licença
- cc-by-nc
- direitos autorais
- Mark Hyde, Bart Wursten and Petra Ballings
- citação bibliográfica
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Xanthium Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1513
- autor
- Mark Hyde
- autor
- Bart Wursten
- autor
- Petra Ballings