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Blue lupin, Altramuz azul
Lupinus angustifolius
40.5354, -3.68938
Field Notes
Description:
Narrow-leafed lupin is an erect, branching herb up to one meter high. Each palmate leaf is divided into 5 to 9 linear leaflets under 4 centimeters long. The herbage is slightly hairy in some areas. The inflorescence bears many flowers in shades of blue, violet, pink, or white. The fruit is a legume pod containing seeds of varying colors from dark gray to brown to white, or speckled or mottled. Lupinus angustifolius has a high content of alkaloids, e.g. lupanin or angustifolin. However, cultivars with a low alkaloid content have been bred. These low alkaloid cultivars are called sweet lupins.
Habitat:
Spotted in dispersed Holm oak forest
Notes:
The plant is used as a green manure or as a grain legume for animal feed or human consumption. Through its ability to fix nitrogen and its low nutrient requirement this plant is suitable to be planted on exhausted fields as a soil improver. The plant is widely used as a fodder for livestock, due to its high protein and energy content.
Camera Model: NIKON D300. Exposure Time: 1/60 sec. f/11; ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired
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