Opuntia polyacantha Haw.
Plains pricklypear, starvation pricklypear, hairspine cactus, panhandle pricklypear
[An article has not been written yet.]
8/26/2014 · Lava Falls, Malpais National Monument, El Malpais, New Mexico · ≈ 15 × 11″ (38 × 29 cm) 
8/26/2014 · Rte 117, El Malpais National Monument, New Mexico · ≈ 10 × 7″ (25 × 16 cm) 
8/26/2014 · Sandstone Bluffs, Rte. 117, El Malpais National Monument, New Mexico · ≈ 6 × 5″ (16 × 13 cm) 
8/26/2014 · Sandstone Bluffs, Rte. 117, El Malpais National Monument, New Mexico · ≈ 6 × 7″ (16 × 18 cm) 
8/26/2014 · Rte 117, El Malpais National Monument, New Mexico · ≈ 11 × 7″ (28 × 18 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Caryophyllidae | Cacti, many other succulents, carnivorous plants, and leadworts |
| Order | Caryophyllales | Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants |
| Family | Cactaceae | Succulent (water-storing) plants, often spiny |
| Genus | Opuntia | Prickly pears |
| Species | polyacantha | With many thorns |
Opuntia polyacantha description by Thomas H. Kent, not updated.
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