Asterales (Sunflower)


The flowering plant order Asterales, is dominated by the sunflower or daisy family (Asteraceae).

Keywords: asteraceae; daisy; campanulaceae; evolution; compositae

Figure 1.

Celmisa sp. a typical Asteraceae capitulum with petal‐like ray florets (white) and tube florets (yellow). Photo courtesy of Aaron Wilton.

Figure 2.

Stylidium schoenoides (a trigger plant) column poised in left flower (with anther obscured), triggered in right flower. Photo courtesy of Juliet Wege.


Further Reading

Albach DC, Soltis PS, Soltis DE and Olmstead RG (2001) Phylogenetic analysis of Asterids based on sequences of four genes. Annals of the Missouri Botanical Garden 88: 163–212.

Bremer K (1994) Asteraceae: Cladistics and Classification. Portland, OR: Timber Press.

Bremer K and Gustafsson MHG (1997) East Gondwana ancestry of the sunflower alliance of families. Proceedings of the National Academy of Sciences of the USA 94: 9188–9190.

Erbar C and Leins P (1995) Portioned pollen release and the syndromes of secondary pollen presentation in the Campanulales–Asterales‐complex. Flora 190: 323–338.

Gustafsson MHG and Bremer K (1995) Morphology and phylogenetic interrelationships of the Asteraceae, Calyceraceae, Campanulaceae, Goodeniaceae, and related families (Asterales). American Journal of Botany 82: 250–265.

Hendry GA (1996) Fructan and the ecology and evolution of the Compositae. In: Calgari PDS and Hind DJN (eds) Proceedings of the International Compositae Conference, Kew, 1994, vol. 2: Compositae: Biology and Utilization. Kew: Royal Botanic Gardens.

Wagstaff SJ and Wege J (2002) Patterns of diversification in New Zealand Stylidiaceae. American Journal of Botany 89: 865.

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How to Cite close
Smissen, Rob D(Mar 2003) Asterales (Sunflower). In: eLS. John Wiley & Sons Ltd, Chichester. [doi: 10.1038/npg.els.0003736]