A large group of wild flowers represented over much of North America, Lupinus is showy and bold. Probably the most ‘famous’ Lupine is Texas Bluebonnet.
Here, the Wyoming version is shown. This photo is a few years old and I can’t quite narrow the species down by the photo, but according to Dorn it is most likely Lupinus argenteus since it was found in Central Wyoming at about 7000 feet elevation. Whatever species it is, it carpets the meadow and prairies of the area with a mist of purple.
Lupine is poisonous to livestock, but it is a native and if the range is in good condition livestock usually leave it alone. It should be noted that the seed pods are also poisonous to humans.
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According to North American Range Plants by Stubbendieck, Hatch and Hirsch, a medicine has been extracted from Lupinus for people with heart arrhythmia.
Glad to see you promoting native plants. The lupine that’s most prominent here in Texas is Lupinus texensis, the bluebonnet.
Hi Steve! While I have never seen it in person, the Texas Bluebonnet I have seen in photos looks to make a spectacular roadside show. As a range management person, I have always hesitated to propagate poisonous plants for the garden, but since there are already so many hybrids of Lupine, choosing the local native variety for landscaping use seems a logical alternative.