Spermatophyta: Monocotyledonae: Alismatales


Gibbs Russell, G.E. (1977) Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) 411-502

Obermeyer, A.A. (1966) Hydrocharitaceae Flora of Southern Africa 1

Simpson, D.S. (1989) Hydrocharitaceae Flora of Tropical East Africa

Symoens, J.J. (2009) Hydrocharitaceae Flora Zambesiaca 12(2)

Description of the family

Aquatic, annual or perennial herbs, submerged or rarely floating. Stipules 0. Flowers unisexual or bisexual, mostly actinomorphic, arranged in a spathe. Perianth tube often present in female and bisexual flowers, usually extending to carry the flower to the water surface. Perianth segments 3 or 6, if 6, differentiated into sepals and petals, sepals and petals free. Stamens 2-many, staminodes often present in female flowers. Ovary inferior, of 2-15 connate carpels, 1(-3)-locular. Styles 2-15. Fruit a capsule.

Worldwide: 15 genera and 80 species, cosmopolitan.

Malawi: 3 genera and 6 taxa.

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Links to genera:     View: living plant images - herbarium specimen images - all images for this family

Lagarosiphon Harv.Description
Ottelia Pers.Description, Image
Vallisneria L.Description

Other sources of information about Hydrocharitaceae:

Our websites:

Flora of Botswana: Hydrocharitaceae
Flora of Caprivi: Hydrocharitaceae
Flora of Mozambique: Hydrocharitaceae
Flora of Zambia: Hydrocharitaceae
Flora of Zimbabwe: Hydrocharitaceae

External websites:

GRIN (Germplasm Resources Information Network) taxonomy for plants report for Hydrocharitaceae
Google: Web - Images - Scholar

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Malawi: Family page: Hydrocharitaceae.
https://www.malawiflora.com/speciesdata/family.php?family_id=103, retrieved 23 May 2019

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