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White Evening Primrose
Oenothera speciosa Alba
33.1529, -97.0183
Field Notes
Description:
This is a morning opening primrose. A quote from Lady Bird Johnson Wildflower Center: "According to Shinners & Mahler's Illustrated Flora of North Central Texas, the genus Oenothera is "well known for its complicated genetics" so describing how these different color variations arise is not a simple process. R. L. McGregor in Flora of the Great Plains says (according to Shinners & Mahler) that "in the Great Plains, the white evening-opening individuals are diploid," (i.e, have two sets of chromosomes) "while the rose-purple, morning-opening individiuals are tetraploid" (i.e., have four sets of chromosomes)."
Habitat:
In the back half of the wildlife habitat garden. The evening opening Pink Primrose is in the side garden. Blooms for both day and night insects.
Notes:
In large colonies of evening primroses you are likely to see white ones among the pinks and it also possible to see colonies with only white ones. There are other varieties with white centers and pink edges on the petals.
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