Spermatophyta: Dicotyledonae: Metachlamydeae: Asterales

Asteraceae - Sunflower family


Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005) Compositae (Part 3) Flora of Tropical East Africa

Beentje, H.J. (ed.) (2000) Compositae (Part 1) Flora of Tropical East Africa

Beentje, H.J. (ed.) (2002) Compositae (Part 2) Flora of Tropical East Africa

Pope, G.V. (1992) Compositae Flora Zambesiaca 6(1)

Description of the family

Herbs, suffrutices, shrubs or (rarely) climbers or trees. Leaves alternate, less often opposite. Stipules 0, but false stipules occur in a few species (for example: Vernonia myriantha and Senecio deltoideus) . Flowers small (florets), aggregated into heads (capitula) and simulating single larger flowers and surrounded by a calyx-like involucre of one or more series of bracts (phyllaries). Receptacle of the head expanded, with or without receptacular scales or bristles each subtending a floret. Florets all similar sexually (head homogamous) or central and marginal florets differing (head heterogamous) and then the central florets usually bisexual or rarely male, the outer female or rarely neuter. Calyx never typically herbaceous but represented by a pappus of numerous simple or feathery (plumose) hairs, or a smaller number of membranous scales, teeth or bristles, or by a continuous membranous ring; sometimes 0.

Corolla composed of (3-)5 united petals fused into a tube below and with a distal limb consisting of either: (1) 5 actinomorphic lobes or teeth (tubular florets); or (2) a unilateral strap-shaped limb (ray) 0-3(-4)-dentate at the apex; or (3) a unilateral strap-shaped limb (ligule), 5-dentate at the apex.

Stamens 5, borne on the corolla-tube; anthers usually fused into a cylinder around the style. Ovary inferior, 1-celled, with 1 basal ovule; style single below but branching above into 2 stigmatic arms. Fruit an achene, crowned by the pappus, sometimes with a slender beak interposed between them.

Worldwide: 1,528 genera and 22,750 species, cosmopolitan, excluding Antarctica.

Zimbabwe: 54 cultivated genera and 77 cultivated taxa.

Centratherum punctatum subsp. punctatum

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

Achillea L.Description, Image
Ageratina SpachDescription, Image
Ageratum L.Description, Image
Arctotis L.Description
Argyranthemum Webb ex Sch. Bip.Description
Artemisia L.Description
Aster L.Description
Bartlettina R.M. King & H. Rob.Description, Image
Bellis L.
Bidens L.Description, Image
Brachyglottis J.R. Forst. & G. Forst.
Carthamus L.
Centaurea L.Description
Centratherum Cass.Description, Image
Chrysanthemum L.
Cichorium L.Description, Image
Cineraria L.Description
Cnicus L.
Coreopsis L.Description, Image
Cosmos Cav.Description
Dahlia Cav.Description, Image
Delairea Lem.
Dyssodia Cav.
Echinops L.
Erigeron L.Description, Image
Euryops (Cass.) Cass.Description, Image
Farfugium Lindl.
Felicia Cass.Description
Gazania Gaertn.Description
Gerbera Cass.Description
Gynura Cass.
Haplocarpha Less.Description
Helianthus L.Description
Helichrysum Mill.Description
Jacobaea Mill.
Kleinia Mill.Description
Lactuca L.Description
Leucanthemum Mill.
Matricaria L.
Montanoa Cerv.Description, Image
Olearia Moench
Osteospermum L.Description
Othonna L.Description
Plecostachys Hilliard & B.L. Burtt
Roldana La Llave
Rudbeckia L.Description
Santolina L.Description, Image
Senecio L.Description
Silybum Adans.Description, Image
Solidago L.
Sphagneticola O. Hoffm.Description
Tagetes L.Description
Tanacetum L.
Zinnia L.Description

Other sources of information about Asteraceae:

Our websites:

Flora of Botswana: Asteraceae
Flora of Caprivi: Asteraceae
Flora of Malawi: Asteraceae
Flora of Mozambique: Asteraceae
Flora of Mozambique: cultivated Asteraceae
Flora of Zambia: Asteraceae
Flora of Zimbabwe: Asteraceae

External websites:

GRIN (Germplasm Resources Information Network) taxonomy for plants report for Asteraceae
Google: Web - Images - Scholar

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Cultivated plants: Family page: Asteraceae.
http://www.zimbabweflora.co.zw/cult/family.php?family_id=26, retrieved 24 October 2016

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