Spermatophyta: Dicotyledonae: Archichlamydeae
Stannard, B.L. (1997)
Hydrostachyaceae FZ 9(2)
Description of the family
Aquatic annual, rarely perennial, herbs, dioecious (in ours). Stipules present, small. Leaves submerged, basal, ± fern-like in appearance, 2-3-pinnatisect (in ours); petiole and rhachis densely covered with warty to tongue-shaped protuberances. Inflorescence emergent, spicate, (resembling the fruiting spikes of Plantago major). Flowers solitary in axils of spirally arranged bracts. Calyx and corolla 0. Male flowers a single stamen. Female flowers with a 1-locular superior ovary; styles 2. Capsule enclosed in the persistent bract, 2-valved.
Worldwide: 1 genus and 22 species, tropical and South Africa and Madagascar.
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More sample images from the Hydrostachyaceae (Click on each image to see a larger version and details of the record)
Other sources of information about Hydrostachyaceae:Flora of Mozambique
(Germplasm Resources Information Network) taxonomy for plants report for HydrostachyaceaeGoogle
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Family page: Hydrostachyaceae.
http://www.zimbabweflora.co.zw/speciesdata/family.php?family_id=105, retrieved 19 May 2013