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Bruneau Mariposa Lily, Pinyon Mariposa - Calochortus bruneaunis


Family: Liliaceae - Lily family Genus Common Name: Mariposa Lily Native Status: Native
Calochortus bruneaunis - Bruneau Mariposa Lily, Pinyon Mariposa. (I had previously identified this as Calochortus eurycarpus, White Mariposa Lily. Upon further research I have decided it is Calochortus bruneaunis, Bruneau Mariposa Lily.)

Bruneau Mariposa Lily has a striking flower with 3 showy petals and 3 white sepals which are shorter than the petals. The flower is atop a 12 to 18 inch stem. The leaves are basal, linear, and usually wither by the time the plant blooms.

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Calochortus bruneaunis

Distribution of Calochortus bruneaunis in the United States and Canada:
Map unavailable.
Map courtesy of The Biota of North America Program.
Map color key

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Site: Deer Flat National Wildlife Preserve, Canyon County, ID Date: 2010-June-07Photographer: Gerald C. Williamson
The blossom of Calochortus bruneanis has three petals, each of which has a deep purple spot at the base, along with a yellow hairy ridge. The sepals are shorter than the petals.
Calochortus bruneaunis
Site: Deer Flat National Wildlife Preserve, Canyon County, ID Date: 2010-June-07Photographer: Gerald C Williamson
Nikon D60
The bases of the petals have hairs around and on a yellow gland.
Click on the photo for a larger image
Calochortus bruneaunis
Site: Deer Flat National Wildlife Preserve, Canyon County, ID Date: 2010-June-07Photographer: Gerald C Williamson
Nikon D60
Calorchortus bruneaunis has a green stripe down the middle of the outside of the petal. Unfortunately, I didn't get a photo of the outside of the petal, but the stripe can be faintly seen through the petal in this photograph, which has had contrast and brighness tweaked to accentuate the stripe.
Click on the photo for a larger image
Calochortus bruneaunis
Site: Ada County, ID Date: 2011-June-15Photographer: Gerald C Williamson
This photo shows the green streak on the outside of the petals. While neither the USDA Plants Database nor BONAP show this species in Ada County, Idaho, I photographed this specimen on the Ada County side of the Snake River about a mile downstream from the Swan Falls Dam.
Click on the photo for a larger image
Calochortus bruneaunis
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Calochortus bruneaunis initially published on USWildflowers.com 2010-06-09; Updated 2015-06-24

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2024
Photographs Copyright owned by the named photographer



Code Update 20230302