¹without that "fifth glyph"²
| Hoodia gordonii | Bushman’s hat / Ghaap |  |
| Astrophytum myriostigma | Bishop's hat / Mitra |  |
| Gymnocalycium mihanovichii | Ruby cap / Hibotan |  |
| Cactus matanzanus | Turk's cap / Gorro turco |  |
All plants on top look twiggy and lack typical foliation.
But do such plants mimic hats? Probably not. It is up to cultural association/bias and any individual botanists who do naming.
good nota:
- i did adjust parts of naming to conform to oulipo standards
- toto photos from this portal (https://oulipo.link/n2uYjk)
-Cc
²e