NWPL🌿
OELO

Oenothera longissima Rydb.

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©Al Schneider. United States, Colorado, NM, AZ, UT, Four Corners vicinity, within 150 miles of the c
2 / 4View Full Size
©Al Schneider. United States, Colorado, NM, AZ, UT, Four Corners vicinity, within 150 miles of the c
3 / 4View Full Size
©Al Schneider. United States, Colorado, NM, AZ, UT, Four Corners vicinity, within 150 miles of the c
4 / 4View Full Size
©Al Schneider. United States, Colorado, NM, AZ, UT, Four Corners vicinity, within 150 miles of the c

Plant Details

Scientific Name: Oenothera longissima Rydb.
Family Name: Onagraceae Juss. - Evening Primrose family
Common Name: longstem evening primrose
Symbol: OELO
Group: Dicot
Rank: Species
Date Modified: Feb. 7, 2026, 4 a.m.

Duration

  • Perennial
  • Biennial

Growth Habits

  • Forb/herb

Synonyms

  • Oenothera longissima Rydb. ssp. clutei (A. Nelson) Munz
  • Oenothera longissima Rydb. var. clutei (A. Nelson) Munz
  • Oenothera longissima Rydb. ssp. typica Munz

Wetland Ratings

AGCP AW CB EMP GP HI MW NCNE WMVC AK
OBL OBL

Species Range Map