Summary
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Medicago lupulina (black medic, sometimes spelled medick or meddick; also known as black hay, black nonsuch, blackweed, etc.) is a summer annual or perennial plant usually considered a weed. It has a tap root. Like other legumes, it has three leaflets; its center leaflet is on a separate petiole. As with other legumes, nitrogen-fixing bacteria, known as rhizobia, are found in nodules on the roots.
Sources and Credits
- (c) Steve Chilton, some rights reserved (CC BY-NC-ND),
http://www.flickr.com/photos/73779416@N00/291490345
- (c) Biopix, some rights reserved (CC BY-NC),
http://www.biopix.com/photos/JCS-Medicago-lupulina-61199.JPG
- (c) 2011 Zoya Akulova, some rights reserved (CC BY-NC),
http://calphotos.berkeley.edu/cgi/img_query?seq_num=382838&one=T
- (c) Luigi Rignanese, some rights reserved (CC BY-NC),
https://calphotos.berkeley.edu/imgs/512x768/0000_0000/0407/0893.jpeg
- (c) Luigi Rignanese, some rights reserved (CC BY-NC),
https://calphotos.berkeley.edu/imgs/512x768/0000_0000/0407/0894.jpeg
- (c) Luigi Rignanese, some rights reserved (CC BY-NC),
https://calphotos.berkeley.edu/imgs/512x768/0000_0000/0407/0895.jpeg
- (c) Wikipedia, some rights reserved (CC BY-SA),
http://en.wikipedia.org/wiki/Medicago_lupulina
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