Oenothera triloba
Stemless Evening Primrose · Sessile Evening Primrose
About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- annual or biennialPlants of the World Online
- Habit
- Annual, Biennial, Forb/herbPLANTS Database
- Flower
- Pale yellowFlora of North America
- Native range
- Alabama, Arkansas, Colorado, Kansas, Mexico Northeast, Mexico Northwest and elsewhereGBIF Backbone Taxonomy
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
Worth knowing
- Stemless evening primrose opens its large yellow flowers near sunset. The Zuni use it in "schumaakwe cakes" and on the skin for rheumatism and swelling, and they grind its roots for food. Wikipedia: Oenothera triloba
Protocol
DerivedN. C. Deno, 1993Difficulty Low
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 21 days to germinate.
Germinates in 21 days.
A few only. Deno gives no count.
How each step is done, in Deno’s words, and what Verified and Derived mean.
Germination trials
Readers’ own records of sowing this species, published after review. Share your trial · All trials
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