
''Centaurea jacea'', brown knapweed or brownray knapweed, is a species of herbaceous perennial plants in the genus ''Centaurea'' native to dry meadows and open woodland throughout Europe. It grows to 10–80 centimetres tall, and flowers mainly from June to September.
In Britain and America, it is often found as a hybrid of black knapweed, ''Centaurea nigra''. Unlike the black knapweed, the flower heads always look as if they are rayed, forming a more open star rather than a brush-like.. more
Similar species: Asterales
By Ludo Sak
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Uploaded Jun 28, 2012. Captured Jun 28, 2012 21:16 in Aldenheerd 11, 6003 Weert, The Netherlands.
comments (8)
http://www.monde-de-lupa.fr/Toulois/Especes%20T/Centaurea%20pag/Centaurea3.html
http://www.naturalmedicinalherbs.net/herbs/c/centaurea-montana=mountain-cornflower.php Posted 10 years ago
http://www.monde-de-lupa.fr/Pelouses/PagesPel/Centaurea%20pg/Jacea/Centaurea%20Jacea.html
http://www.floravannederland.nl/planten/knoopkruid/ Posted 8 years ago