Eastern Mojave Vegetation Coll. No. 3072, Oenothera biennis.  


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  Onagraceae Oenothera biennis
Photographed 29 December 2023.

Plants of the Douglas Mountain Study Area
Jefferson County Open Space, Colorado, USA

Oenothera biennis L.  King's-Cureall.

Guy Gulch, Jefferson County, Colorado. Around the base of a willow in a former meander of the creek, 125 m. west across County Road 70 from the Centennial Ranch house, 2.43 km. south of Mount Tom, 12.3 km. west northwest of the GNIS location of Golden. 39.7948N, 105.3553W. WGS 1984 Elev. 2348 m. Collection is halved infloresence plus basal leaves; not much material to work with. Placed in O. biennis on the strength of long hairs and short glandular hairs on the ovary, but see Ackerfield (2022) note regarding presence of O. biennis in Colorado.

Collected by permit: Jefferson County Open Space, 2023, issued: Apr 10, 2023, to: Tom Schweich.

Tom Schweich, with John Vickery 3072. 12-Jul-2023

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Other photos about Species - Onagraceae or Oenothera biennis.


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Date and time this page was prepared: 4/14/2024 5:46:27 PM