Hairy beggarticks Bidens pilosa, copyright Prenn.

Belongs within: Asteroideae.

The Coreopsideae are a group of composite plants in which the disk-achenes are more or less dorsally compressed and the receptacular scales are flattish (Black & Robertson 1965). Members include the genus Bidens, beggarticks, whose species typically bear bristly and barbed fruits adapted for dispersal by sticking to animal fur or feathers (and clothing).

Characters (from Black & Robertson 1965, as Coreopsidinae): Heads bisexual, heterogamous-radiate; receptacle with chaffy, flattish scales; corolla present in both sexes; anthers united, obtuse at base; style-branches flattish, not truncate; disk-achenes more or less dorsally compressed.

<==Coreopsideae [Coreopsidinae]
    |--Dahlia pinnata N10, MH98
    |--Glossogyne BR65
    |    |--G. hennedyi Br. 1883 A61
    |    `--G. tenuifolia BR65
    |--Coreopsis N10
    |    |--C. bigelovii H93
    |    |--C. californica H93
    |    |--C. calliopsidea H93
    |    |--C. douglasii H93
    |    |--C. gigantea H93
    |    |--C. grandiflora I92
    |    |--C. hamiltonii H93
    |    |--C. lanceolata H06
    |    |--C. maritima H93
    |    |--C. nuecensis G84
    |    |--C. nuecensoides G84
    |    |--C. stillmanii H93
    |    |--C. tinctoria [incl. C. atkinsoniana] H93
    |    `--C. wrightii [=C. basalis var. wrightii] H93
    |--Cosmos HGT96
    |    |--C. bipinnatus MH98
    |    |--C. caudatus BBO01
    |    `--C. sulphureus H93
    `--Bidens Linnaeus 1753 N10, A61
         |--B. alba ACW01
         |--B. aurantiacus Colenso 1895 A61
         |--B. bipinnata C55b
         |--B. biternata PP07
         |--B. cernua C55a
         |--B. frondosa MH98
         |--B. hendersonensis SJP60
         |    |--B. h. var. hendersonensis SJP60
         |    `--B. h. var. oenoensis SJP60
         |--B. laevis H93
         |--B. leucantha C55b
         |--B. pilosa Linnaeus 1753 A61
         |--B. tripartita [incl. B. connata var. petiolata] H93
         `--B. vulgata H93

*Type species of generic name indicated


[ACW01] Aguilar, H., C. C. Childers & W. C. Welbourn. 2001. Relative abundance and seasonal occurrence of mites in the family Tydeidae on citrus in Florida. In: Halliday, R. B., D. E. Walter, H. C. Proctor, R. A. Norton & M. J. Colloff (eds) Acarology: Proceedings of the 10th International Congress pp. 376–380. CSIRO Publishing: Melbourne.

[A61] Allan, H. H. 1961. Flora of New Zealand vol. 1. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. R. E. Owen, Government Printer: Wellington (New Zealand).

[BBO01] Begerow, D., R. Bauer & F. Oberwinkler. 2001. Muribasidiospora: Microstromatales or Exobasidiales? Mycological Research 105 (7): 798–810.

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

[C55a] Candolle, A. de. 1855a. Géographie Botanique Raisonée: Ou exposition des faits principaux et des lois concernant la distribution géographique des plantes de l’époque actuelle vol. 1. Librairie de Victor Masson: Paris.

[C55b] Candolle, A. de. 1855b. Géographie Botanique Raisonée: Ou exposition des faits principaux et des lois concernant la distribution géographique des plantes de l’époque actuelle vol. 2. Librairie de Victor Masson: Paris.

[G84] Gosling, E. M. 1984. The systematic status of Mytilus galloprovincialis in western Europe: a review. Malacologia 25 (2): 551–568.

[HGT96] Headrick, D. H., R. D. Goeden & J. A. Teerink. 1996. Life history and description of immature stages of Dioxyna picciola (Bigot) (Diptera: Tephritidae) on Coreopsis spp. (Asteraceae) in southern California. Proceedings of the Entomological Society of Washington 98 (2): 332–349.

[H06] Henderson, L. 2006. Comparisons of invasive plants in southern Africa originating from southern temperate, northern temperate and tropical regions. Bothalia 36 (2): 201–222.

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

[I92] Imes, R. 1992. The Practical Entomologist. Aurum Press: London.

[MH98] Morikawa, H., A. Higaki, M. Nohno, M. Takahashi, M. Kamada, M. Nakata, G. Toyohara, Y. Okamura, K. Matsui, S. Kitani, K. Fujita, K. Irifune & N. Goshima. 1998. More than a 600-fold variation in nitrogen dioxide assimilation among 217 plant taxa. Plant, Cell and Environment 21: 180–190.

[N10] Norrbom, A. L. 2010. Tephritidae (fruit flies, moscas de frutas). In: Brown, B. V., A. Borkent, J. M. Cumming, D. M. Wood, N. E. Woodley & M. A. Zumbado (eds) Manual of Central American Diptera vol. 2 pp. 909–954. NRC Research Press: Ottawa.

[PP07] Pandey, R. P., & P. M. Padhye. 2007. Studies on phytodiversity of Arid Machia Safari Park-Kailana in Jodhpur (Rajasthan). Bulletin of the Botanical Survey of India 49: 15–78.

[SJP60] St. John, H., & W. R. Philipson. 1960. List of the flora of Oeno Atoll, Tuamotu Archipelago, south-central Pacific Ocean. Transactions of the Royal Society of New Zealand 88 (3): 401–403.

Last updated: 21 December 2019.

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