9596.000 Lactuca L. - Lettuces

Description of the genus

Annual, biennial or perennial herbs. Leaves radical or cauline and alternate. Involucre usually cylindric. Phyllaries 3-5-seriate. Receptacle without scales. Florets yellow, whitish, purplish or blue. Achenes beaked or at least somewhat attenuate above, with ascending hairs or rough projections on the ribs or at least on the margins; ribs unequal. Pappus several-seriate of uniform barbellate setae, rarely with an outer ring of minute setae.

Derivation of name: from lac, Latin for milk, referring to the milky juice.

Worldwide: c. 75 species, cosmopolitan but many in northern temperate zones

Zimbabwe: 4 taxa.

Lactuca inermis

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

SpeciesFZ divisionsContent
imbricata Hiern var. imbricata N,C,SDescription, Image
inermis Forssk.N,W,C,E,SDescription, Image
lasiorhiza (O. Hoffm.) C. JeffreyEDescription
serriola L.W,C,SDescription, Image

Other sources of information about Lactuca:

Our websites:

Flora of Botswana: Lactuca
Flora of Malawi: Lactuca
Flora of Mozambique: Lactuca
Flora of Zambia: Lactuca
Flora of Zimbabwe: cultivated Lactuca

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Zimbabwe: Genus page: Lactuca.
https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1579, retrieved 21 September 2020

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