File:Knapweed Broomrape (Orobanche elatior) - geograph.org.uk - 1362830.jpg
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| Description |
English: Knapweed Broomrape (Orobanche elatior). Broomrapes are wholly parasitic plants - because they have no need to photosynthesise in order to meet their nutrient requirements, they have no chlorophyll. As a result, they are virtually leafless (the leaves have been reduce to a few scales down the stem) and lack any green pigment. Some are host specific, generally indicated by their English name; others are more generalists.
As its name suggests, the Knapweed Broomrape is host specific, being found on Greater Knapweed (Centaurea scabiosa), the leaves of a flowerless plant of which can be seen round the base of the Broomrape (see 1362823 for an example in flower, without attendant parasite!). The Knapweed Broomrape is a prominent plant, both in stature and colour, and a reasonable number can be found at Noar Hill. |
| Date | |
| Source | From geograph.org.uk |
| Author | Ian Capper |
| Attribution (required by the license) | Ian Capper / Knapweed Broomrape (Orobanche elatior) / |
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Ian Capper and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Ian Capper
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 11:31, 28 February 2011 | | 640 × 426 (177 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Knapweed Broomrape (Orobanche elatior) Broomrapes are wholly parasitic plants - because they have no need to photosynthesise in order to meet their nutrient requirements, they have no chlorophyll. |
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