Short Description
The spotted knapweed can grow up to 1.2 m high.
The leaves are elongated and usually divided into individual narrow leaflets (pinnate). The upper leaves are sessile. The leaves have white felted hairs.
The stem is angular and has white felt-like hairs.
At first glance, the flower head can be mistaken for a single flower. However, it is a pseudo flower. It consists of numerous, single, pink to light purple tubular florets. The flowers at the edge are enlarged.
The plant forms small, nut-like fruits with a crown of bristles.
Features
Spotted knapweed
Centaurea stoebe
pink to light purple flowers
white-felted
In the city
In the city, the spotted knapweed is mostly found along roadsides and railway embankments.
Fun Facts
It flowers from June to August.
The small fruits have a velcro effect and can stick to animals.
It can be purchased commercially as an ornamental plant or cut flower.
It lives for several years and generally flowers and fruits annually (perennial plant).
- Endangerment level Germany: not endangered
Sources
Blütenstand, Matt Lavin, CC BY-SA 2.0, https://commons.wikimedia.org/wiki/File:Centaurea_maculosa_Bozeman.jpg
Habitus, Matt Lavin, CC BY-SA 2.0, https://commons.wikimedia.org/wiki/File:Centaurea_maculosa_(3768271422).jpg
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Habitus, Matt Lavin, CC BY-SA 2.0, https://commons.wikimedia.org/wiki/File:Centaurea_maculosa_(3768271870).jpg
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Eggenberg, S. & Möhl, A. (2007) Flora Vegetativa: Ein Bestimmungsbuch für Pflanzen der Schweiz im blütenlosen Zustand, Bern, Stuttgart, Wien: Haupt Verlag.
Jäger, E. J. (2011) Rothmaler - Exkursionsflora von Deutschland. Gefäßpflanzen: Grundband, Heidelberg: Spektrum Akademischer Verlag.
Page „Rispen-Flockenblume“. : Wikipedia, The Free Encyclopedia. Date of last revision: 19.06.2016, 20:23 UTC. URL: https://de.wikipedia.org/w/index.php?title=Rispen-Flockenblume&oldid=155455113 (Accessed: 20.04.2017).