8464.000 Richardia L.

Description of the genus

Prostrate to ascending perennial herbs. Leaves opposite, sessile or shortly petiolate, ± elliptic. Stipular sheath bearing several fimbriae. Flowers bisexual in dense heads surrounded by an involucre of 4 leaves. Calyx lobes persistent. Corolla funnel-shaped, lobes 3-6. Ovary 3-4-locular. Capsule composed of 3-4 cocci, crowned by the persistent calyx, eventually splitting into separate cocci.

Derivation of name: after Richard Richardson (1663-1741), English botanist and physician.

Worldwide: 15 species in tropical America; naturalised elsewhere.

Botswana: 2 taxa.

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

SpeciesFZ divisionsContent
brasiliensis GomesDescription, Image
scabra L.Description, Image

Other sources of information about Richardia:

Our websites:

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

External websites:

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

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: Richardia.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=1422, retrieved 29 March 2024

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