Spermatophyta: Dicotyledonae: Archichlamydeae: Zygophyllales

Zygophyllaceae - Calthrop family

Beier, B.-A., Chase, M. W. & Thulin, M. (2003) Phylogenetic relationships and taxonomy of subfamily Zygophylloideae (Zygophyllaceae) based on molecular and morphological data Plant Systematics and Evolution 240 11-39

Launert, E. (1963) Zygophyllaceae Flora Zambesiaca 2(1)

Description of the family

Herbs, subshrubs or shrubs. Stipules present, persistent. Leaves opposite, rarely alternate, sometimes fleshy, simple, 2-3-foliolate or pinnate. Flowers actinomorphic, bisexual, hypogynous. Sepals (4-)5. Petals (4-)5, rarely 0. Disk usually present. Ovary superior, 4-5-locular. Fruit a capsule, sometimes spiny, breaking up into indehiscent cocci.

Worldwide: 27 genera and 285 species, in tropical and warm areas, especially arid zones, sometimes in saline areas.

Zimbabwe: 1 genus and 2 taxa.

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

Genus	Content
Tribulus L.	Description, Image

Other sources of information about Zygophyllaceae:

Our websites:

Flora of Botswana: Zygophyllaceae
Flora of Burundi: Zygophyllaceae
Flora of Caprivi: Zygophyllaceae
Flora of the DRC: Zygophyllaceae
Flora of Malawi: Zygophyllaceae
Flora of Mozambique: Zygophyllaceae
Flora of Rwanda: Zygophyllaceae
Flora of Zambia: Zygophyllaceae
Flora of Zimbabwe: cultivated Zygophyllaceae

External websites:

African Plants: A Photo Guide (Senckenberg): Zygophyllaceae
BHL (Biodiversity Heritage Library): Zygophyllaceae
EOL (Encyclopedia of Life): Zygophyllaceae
GBIF (Global Biodiversity Information Facility): Zygophyllaceae
Google: Web - Images - Scholar
iNaturalist: Zygophyllaceae
IPNI (International Plant Names Index): Zygophyllaceae
JSTOR Plant Science: Zygophyllaceae
Mansfeld World Database of Agricultural and Horticultural Crops: Zygophyllaceae
Wikipedia: Zygophyllaceae
Plants of the World Online: Zygophyllaceae
Tropicos: Zygophyllaceae