896.000 Commelina L.

Description of the genus

Annual or perennial herbs. Underground stolons sometimes bearing cleistogamous flowers. Flowers in one or two 1-6-flowered cymes enclosed in a spathe. Upper cyme 1-(-3)-flowered, usually male, exserted on a long peduncle, sometimes rudimentary or 0. Lower cyme included, borne on a short peduncle; flowers 2-6, all bisexual or some male, just exserted at flowering time. Flowers open in morning, soon deliquescent. Petals 3, free; upper 2 flat, variously coloured, the lower reduced, often colourless. Stamens 3, lower fertile, upper 3 staminodes, reduced. Ovary (2-)3-locular. Fruit a capsule.

Derivation of name: Named after Kaspar (1667-1731) and Johann (1629-1698) Commelin, Dutch botanists.

Worldwide: c. 170 species in tropical and warm regions

Caprivi: 9 taxa.

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

africana L.Description, Image
benghalensis L.Description, Image
diffusa Burm. f. subsp. diffusa Description, Image
diffusa Burm. f. subsp. scandens (Welw. ex C.B.Clarke) Oberm.
eckloniana KunthDescription, Image
erecta L.
fluviatilis Brenan
forskaolii VahlDescription, Image
zambesica C.B.Clarke

Other sources of information about Commelina:

Our websites:

Flora of Botswana: Commelina
Flora of Malawi: Commelina
Flora of Mozambique: Commelina
Flora of Zambia: Commelina
Flora of Zimbabwe: Commelina

External websites:

ePIC (electronic Plant Information Center): Commelina
Flora Zambesiaca web site: Commelina
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Commelina
IPNI (International Plant Names Index): Commelina
Kew Herbarium catalogue: Commelina
Kew Monocotyledon checklist: Commelina

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Caprivi: Genus page: Commelina.
https://www.capriviflora.com/speciesdata/genus.php?genus_id=315, retrieved 24 May 2020

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