Plants › evening primrose family
yellow sundrops
Oenothera tetragona
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
narrow-leaved sundropsOenothera fruticosa
meadow evening primroseOenothera pilosella
common evening-primroseOenothera biennis
Small SundropsOenothera perennis
Glaucous SundropsOenothera glauca
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 554 |
|---|---|
| Tennessee | 103 |
| Pennsylvania | 100 |
| North Carolina | 94 |
| New York | 63 |
| New Jersey | 60 |
| Virginia | 33 |
| Maryland | 28 |
| West Virginia | 16 |
| Georgia | 15 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | myrtles, evening primroses, and allies · Myrtales |
| Family | evening primrose family · Onagraceae |
| Genus | evening primroses, sundrops, and beeblossoms · Oenothera |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise yellow sundrops with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.