Plants › cacti
Twist-spined Pricklypear
Opuntia tortispina
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
Brown-spined PricklypearOpuntia phaeacantha
Plains PricklypearOpuntia polyacantha
prairie pricklypearOpuntia macrorhiza
Black-spined PricklypearOpuntia macrocentra
Tulip PricklypearOpuntia camanchica
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| New Mexico | 786 |
|---|---|
| United States | 414 |
| Texas | 130 |
| Colorado | 59 |
| Mexico | 20 |
| Arizona | 19 |
| Chihuahua | 19 |
| Oklahoma | 16 |
| South Dakota | 15 |
| Nebraska | 15 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Cactus growth formDescends from the cactus family.Inferred from its group
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | pinks, cactuses, and allies · Caryophyllales |
| Family | cacti · Cactaceae |
| Genus | Prickly Pears · Opuntia |
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 Twist-spined Pricklypear with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.