Description of the genus
Annual or perennial herbs with entire, opposite leaves. Inflorescence terminal on the stems and branches. Bracts persistent. Fertile flowers in a group of 3, the outer pair with bracteoles and subtended laterally by 2 modified sterile flowers consisting of a number of strongly hooked spines. Bracteoles sometimes with a hooked awn. Perianth segments 5. Stamens 5, alternating with pseudostaminodes. Fruit a thin-walled capsule.
Worldwide: 25 species in the tropics
Other sources of information about Cyathula:Flora of Zimbabwe
(electronic Plant Information Center): CyathulaFlora Zambesiaca
web site: CyathulaGoogle
(Germplasm Resources Information Network) taxonomy for plants report for CyathulaIPNI
(International Plant Names Index): CyathulaKew 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: Cyathula.
http://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=528, retrieved 19 June 2013