Cape marguerite Osteospermum ecklonis, copyright Krzysztof Ziarnek, Kenraiz.

Belongs within: Asteroideae.

The Calenduleae are a group of composite-flowered plants in which the receptacle is naked and which lack a pappus (Black & Robertson 1965).

Characters (from Black & Robertson 1965): Heads heterogamous-radiate; disk flowers usually bisexual but sterile; styles of sterile disk flowers shortly bifid or entire at summit; receptacle nake; anthers acute or acuminate at base; achenes comparatively large, variable in shape; pappus absent; leaves alternate.

<==Calenduleae BR65
    |--Eriachaenium S06
    |--Dimorphotheca (Vaillant) Moench. 1794 [incl. Gattenhoffia von Necker 1790 (nom. rej.)] BR65
    |    |--D. pluvialis [incl. D. annua] BR65
    |    `--D. sinuata H93
    |--Calendula BR65
    |    |--C. arvensis BR65
    |    `--C. officinalis BR65
    |--Chrysanthemoides Medik. 1789 BR65
    |    `--C. monilifera [=Osteospermum moniliferum] BR65
    |         |--C. m. ssp. monilifera WFS04
    |         `--C. m. ssp. rotundata WFS04
    `--Osteospermum BR65
         |--O. calendulaceum [=Oligocarpus calendulaceus] BR65
         |--O. clandestinum [=Tripteris clandestina] BR65
         |--O. ecklonis [=Dimorphotheca ecklonis] H93
         |--O. montanum CV06
         `--O. muricatum CV06
              |--O. m. ssp. muricatum CV06
              `--O. m. ssp. longiradiatum CV06

*Type species of generic name indicated


[BR65] Black, J. M., & E. L. Robertson. 1965. Flora of South Australia. Part IV. Oleaceae–Compositae. W. L. Hawes, Government Printer: Adelaide.

[CV06] Craven, P., & P. Vorster. 2006. Patterns of plant diversity and endemism in Namibia. Bothalia 36 (2): 175–189.

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[S06] Stuckert, T. 1906. Distribución geográfica de la flora Argentina. Géneros de la familia de las compuestas. Anales del Museo Nacional de Buenos Aires, serie 3, 6: 303–309.

[WFS04] Winks, C. J., S. V. Fowler & L. A. Smith. 2004. Invertebrate fauna of boneseed, Chrysanthemoides monilifera ssp. monilifera (L.) T. Norl. (Asteraceae: Calenduleae), an invasive weed in New Zealand. New Zealand Entomologist 27: 61–72.

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