Plantae > Tracheophyta > Magnoliopsida > Dipsacales > Caprifoliaceae > Knautia > Knautia arvensis

Knautia arvensis (field scabiosa; bluebuttons)

Synonyms:

Wikipedia Abstract

Knautia arvensis, commonly known as field scabious, is a species in the genus Knautia. It is a perennial plant that grows between 25 and 100 cm. It prefers grassy places and dry soils, avoiding heavy soils, and flowers between July and September. The flowered head is flatter than similar species devils bit scabious and small scabious. There are 4 stamens in each flower, and 1 notched long stigma. The fruit is nut like, cylindrical and hairy, 5–6 mm in size. It has a tap root. The stem has long stiff hairs angled downwards. There are no stipules.
View Wikipedia Record: Knautia arvensis

Infraspecies

Knautia arvensis arvensis
Knautia arvensis pannonica
Knautia arvensis rosea
Knautia arvensis var. taunica

Attributes

Bee Flower Color [1]  Blue-Green
Flower Color [1]  Pink
Flower Type [2]  Hermaphrodite
Lifespan [2]  Perennial
Pollinators [2]  Bees, Lepidoptera
Structure [4]  Herb
Height [2]  39 inches (1 m)
Width [2]  16 inches (0.4 m)
Light Preference [3]  Mostly Sunny
Soil Acidity [3]  Neutral
Soil Fertility [3]  Mostly Infertile
Soil Moisture [3]  Mostly Dry
View Plants For A Future Record : Knautia arvensis

Protected Areas

Predators

Providers

Consumers

Parasitized by 
Erysiphe knautiae[8]
Microbotryum flosculorum[8]
Peronospora violacea[8]

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Arnold SEJ, Faruq S, Savolainen V, McOwan PW, Chittka L, 2010 FReD: The Floral Reflectance Database — A Web Portal for Analyses of Flower Colour. PLoS ONE 5(12): e14287.
♦ 2Plants For A Future licensed under a Creative Commons Attribution 4.0 License
♦ 3ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
♦ 4Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 5Biological Records Centre Database of Insects and their Food Plants
♦ 6HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 7Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet 4 November 2009
♦ 8Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0