6997.000 Merremia Dennst. ex Endl.

XENOSTEGIA D.F. Austin & Staples

Description of the genus

Herbs, twining and often prostrate (in ours). Leaves variable in shape and size, entire or lobed. Flowers axillary, solitary or in axillary usually cymose inflorescences. Sepals 5, usually subequal. Corolla nearly always yellow or white with or without a red or purple centre. Anthers at anthesis helically twisted; pollen tricolpate. Ovary 2-4-locular. Style 1, simple, filiform; stigmas 2, spherical. Capsule 4-valved or irregularly dehiscent. Seeds 4.

Derivation of name: after Blasius Merrem, 1761-1824, a German naturalist

Worldwide: c. 70 species in the tropics

Botswana: 6 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
kentrocaulos (C.B. Clarke) Hallier f. var. pinnatifida N.E. Br.N,SW,SEDescription, Image
palmata Hallier f.N,SEDescription, Image
pinnata (Hochst. ex Choisy) Hallier f.NDescription, Image
pterygocaulos (Steud. ex Choisy) Hallier f.NDescription, Image
tridentata (L.) Hall. f. subsp. angustifolia (Jacq.) van Ooststr.N,SW,SEDescription, Image
verecunda Baker & RendleN,SW,SEDescription

Other sources of information about Merremia:

Our websites:

Flora of Caprivi: Merremia
Flora of Caprivi: cultivated Merremia
Flora of Malawi: Merremia
Flora of Mozambique: Merremia
Flora of Mozambique: cultivated Merremia
Flora of Zambia: Merremia
Flora of Zimbabwe: Merremia
Flora of Zimbabwe: cultivated Merremia

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Genus page: Merremia.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=1182, retrieved 16 June 2024

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