Melocactus zehnerii is a Turk's turban cactus native to the state of Bahia, in north eastern Brazil. It is also known as melocactus giganteus and Cactus zehntneri.[1] Like other Turk's Turbans, it has a roundish lower body with typically about eleven vertical ribs which does the photosynthesis and an elongated upper body, the cephalum. which is a type of capitate inflorescence. Its phyllotaxis is much higher; usually 34/55. This upper cephalum can grow as much as 29 inches ( 72 centimeters) in length, and displaying as many as sixteen annual rings.[2] one of the longest living of all inflorescences known.
| Melocactus zehntneri | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Melocactus |
| Species: | M. zehntneri
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| Binomial name | |
| Melocactus zehntneri (Britton & Rose) Luetzelb.
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References
edit- ^ "Melocactus zehntneri (Britton & Rose) Luetzelb". Plants of the World Online. Royal Botanic Gardens Kew. Retrieved 6 August 2023.
- ^ <not recorded> (September–October 1973). "<not recorded>". Cactus and Succulent Journal. 45 (5): 227–230.