Crepis

Crepis jacquini, copyright Jerzy Opioła.


Belongs within: Cichorieae.

Crepis, hawksbeards, is a primarily Northern Hemisphere genus of herbs with milky sap, bearing heads clustered in cymes (Hickman 1993).

Characters (from Hickman 1993): Annual, biennial, perennial from taproot; sap milky. Stems erect, <8 dm. Leaves basal or cauline, entire to pinnately lobed. Inflorescence with heads ligulate, clustered in cymes; phyllaries in two distinct series; receptacle naked. Florets 5–60; ligules yellow. Fruit tapered at both ends, sometimes beaked; pappus of many soft, hair-like bristles.

Crepis [incl. Barkhausia] S06
    |--C. acuminata H93
    |--C. artificialis D37
    |--C. asturica D37
    |--C. bakeri [incl. C. bakeri ssp. cusickii] H93
    |--C. biennis D37
    |--C. bursifolia D51
    |--C. capillaris [incl. C. virens] BR65
    |--C. commutata PT98
    |--C. dioscoridis PT98
    |--C. divaricata D37
    |--C. foetida BR65
    |    |--C. f. ssp. foetida BR65
    |    `--C. f. ssp. vulgaris BR65
    |--C. fuliginosa D51
    |--C. intermedia H93
    |--C. jacquini C55
    |--C. kotschyana D51
    |--C. leontodontoides D51
    |--C. modocensis [incl. C. modocensis ssp. subacaulis] H93
    |--C. monticola H93
    |--C. multiflora PT98
    |--C. nana [incl. C. nana ssp. ramosa] H93
    |--C. neglecta Linnaeus 1767 PL04
    |--C. occidentalis [incl. C. o. ssp. conjuncta, C. o. ssp. costata, C. o. ssp. pumila] H93
    |--C. pleurocarpa H93
    |--C. pygmaea C55
    |--C. rubra D37
    |--C. runcinata H93
    |    |--C. r. ssp. runcinata H93
    |    |--C. r. ssp. andersonii H93
    |    `--C. r. ssp. hallii H93
    |--C. sancta PT98
    |--C. setosa D51
    |--C. taraxacifolia H59
    |--C. tectorum D51
    |--C. tibetica O88
    `--C. vesicaria BR65
         |--C. v. var. vesicaria BR65
         `--C. v. var. taraxacifolia BR65

*Type species of generic name indicated

REFERENCES

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

[C55] Candolle, A. de. 1855. 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.

[D37] Dobzhansky, T. 1937. Genetics and the Origin of Species. Columbia University Press: New York.

[D51] Dobzhansky, T. 1951. Genetics and the Origin of Species 3rd ed. Columbia University Press: New York.

[H59] Healy, A. J. 1959. Contributions to a knowledge of the adventive flora of New Zealand, no. 7. Transactions of the Royal Society of New Zealand 86 (1): 113–118.

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

[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: an introductory note. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 19–46.

[PT98] Panitsa, M., & D. Tzanoudakis. 1998. Contribution to the study of the Greek flora: Flora and vegetation of the E Aegean islands Agathonisi and Pharmakonisi. Willdenowia 28: 95–116.

[PL04] Pohl, G., & I. Lenski. 2004. Zur Verbreitung und Vergesellschaftung von Pennisetum orientale Rich. in Nordeuböa (Griechenland) (Poaceae, Paniceae). Senckenbergiana Biologica 83 (2): 209–223.

[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.

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