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Photo © emilyheaton all rights reserved
Knoxville Wildlife Area, Napa County, CA (Google, OSM)
38.7337360424, -122.3092420399
Accuracy: 11m
open

Description

I found these bright yellow, white, and pale yellow Calochortus lillies growing within 50 feet of each other. I'm not sure if they were the same species or different species.

May. 30, 2012 00:47:51 -0700
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Comments & Identifications

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Mariposa Lilies - Photo (c) Claire Woods, some rights reserved (CC BY-NC-ND)
emilyheaton's ID: Mariposa Lilies (Genus Calochortus)
Posted by emilyheaton about 1 year ago (Flag)
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You have 2 seperate species Yellow Mariposa lilies Colochortus luteus and Mariposa lily Colochortus vestae.

Posted by dave-barry about 1 year ago (Flag)
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Mariposa Lilies - Photo (c) Claire Woods, some rights reserved (CC BY-NC-ND)
dave-barry's ID: Mariposa Lilies (Genus Calochortus)
Posted by dave-barry about 1 year ago (Flag)
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I believe dave is correct, looks like a couple different species, C. luteus and C. vestae.

Posted by zabbey about 1 year ago (Flag)
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First, I should say that I'm no plant expert. But I have a distant memory of someone telling me that yellow and white Mariposa lilies can be the same species. It's quite possible that the lilies I found really were two different species, but the presence of a pale yellow lily in the same area leaves me wondering about that. It seemed like it could have been the progeny of a white individual and a yellow individual. Perhaps Calochortus species hybridize?

Posted by emilyheaton about 1 year ago (Flag)
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Emily, the pale yellow flower is more open, an older fading bloom most likely.

Posted by dave-barry about 1 year ago (Flag)
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Identification Summary

Mariposa Lilies - Photo (c) Claire Woods, some rights reserved (CC BY-NC-ND)
emilyheaton's ID: Mariposa Lilies (Genus Calochortus)
Mariposa Lilies - Photo (c) Claire Woods, some rights reserved (CC BY-NC-ND)
dave-barry's ID: Mariposa Lilies (Genus Calochortus)

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Data Quality Assessment

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Observation © emilyheaton
Cc-by-nc_small some rights reserved

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