Oenothera grandiflora Ruiz & Pav.

No botanical uses.

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3976« Oenothera grand if 1 ora.« Cultivated on the University
campus since 1943* On sunny days in summer the flowers open
pretty rapidly about sunset, are visited by sphinx moths in
twilight, and begin to wither about two hours after sunrise*
But in jgnsitedft cool cloudy weather, and in the fall, the
flowers tend to open earlier and remain open later in the mor-
ning« For additional information see Geol. Sgcrv* Ala. Bull,
53 (on weeds), pp. 162-164* July, 1944. Also photographs.
The style has an axial position the first part of the night,
but in the morning is bent down away from the stamens.
Oenothera grandiflora L'Her.
Determined by W. Dietrich	198l
Missouri Botanical Garden /Univ. of Düsseldorf
ALABAMA PLANTS
3976. Oenothera grandiflora, Alift
Cultivated on Xiniveiti^y campus#
Descended from seeds brought from
near Bartram1s type-locallty by
Dr. S. J. Lloyd in fall of 1939.
Collected by Roland M. Harper Aug. 26, 1944.
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