Spermatophyta: Dicotyledonae: Archichlamydeae: Myrtales

Trapaceae - Water chestnut family

Brenan, J.P.M. (1978) Trapaceae Flora Zambesiaca 4

Description of the family

Aquatic floating herbs. Stipules cleft to base. Leaves alternate, in floating rosettes; petiole spongy and inflated about the middle. Adventitious roots leaf-like, pinnatisect into many filiform segments. Flowers bisexual, actinomorphic, solitary from upper axils. Sepals, petals and stamens 4. Petals white. Ovary semi-inferior, 2-locular. Fruit a 1-seeded drupe bearing 2-4 horns.

Worldwide: 1 genus and c. 20 species in the Old World excluding the Pacific.

Zambia: 1 genus and 2 taxa.

Trapa natans var. bispinosa

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

Trapa L.Description, Image

Other sources of information about Trapaceae:

Our websites:

Flora of Botswana: Trapaceae
Flora of Caprivi: Trapaceae
Flora of Malawi: Trapaceae
Flora of Mozambique: Trapaceae
Flora of Zimbabwe: Trapaceae

External websites:

African Plants: A Photo Guide (Senckenberg): Trapaceae
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Trapaceae
Wikipedia: Trapaceae

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Family page: Trapaceae.
https://www.zambiaflora.com/speciesdata/family.php?family_id=222, retrieved 4 February 2023

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