Sulphur lupine

Lupinus sulphureus


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Sulphur lupine is a perennial herb that have a branched stem base. The stems are 40-80 cm tall and are mostly un-branched with silky hairs and short stiff hairs. The leaves are basal and alternate along the stem with 8-13 long leaflets, pointed at the tips and hairy on both surfaces. The flowers are scattered and pea-like at the upper part of the stem. The flower colours range from white to pale yellow.


Sulphur lupine is located in dry sagebrush flats and forest opening in steppe lower montane zones.


Habitat loss and fragmentation due to urban and agricultural development
Invasive species

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