Description of the genus
Perennial herb (in ours) with erect 4-angled stems. Leaves narrow, linear to lanceolate, with obscure lateral veins. Flowers mostly 4-merous, blue (in ours) in terminal inflorescences surrounded by leafy bracts, never heterostylous; anthers included and style exserted. Calyx lobes 4, linear. Corolla with long cylindric tube and 4 lobes. Ovary 2-locular; ovules numerous. Capsule beaked, bearing persistent calyx lobes.
Worldwide: 9 species in E and C tropical Africa and S Africa
Other sources of information about Conostomium:Flora of Mozambique
(electronic Plant Information Center): ConostomiumFlora Zambesiaca
web site: ConostomiumGoogle
(Germplasm Resources Information Network) taxonomy for plants report for ConostomiumIPNI
(International Plant Names Index): ConostomiumKew Herbarium catalogue
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Genus page: Conostomium.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1362, retrieved 19 May 2013