Subordo
Cactineae
Bessey in C.K. Adams
pub. Johnson's Universal Cyclop. 8: 462. 15 Nov 1895.
Familia
Cactaceae
Juss.
pub. Gen. Pl.: 310. 4 Aug 1789. common name:
Cactus
Genus
Cephalocereus
Pfeiff.
Named members of the Genus Cephalocereus
1
Species
deeringii
Small
syn. Pilosocereus robinii var. deeringii
2
Species
keyensis
Britt. & Rose
syn. Pilosocereus robinii var. robinii
3
Species
nobilis
(Haw.) Britt. & Rose
syn. Pilosocereus royenii
4
Species
royenii
(L.) Britt. & Rose
syn. Pilosocereus royenii
Individual specimen entries are published in the sample database supplied with
The Compleat Botanica for species or varieties of this supra-generic taxon.
Grok observedObserver part meansObservation thoroughlyOn the Meaning of ‘Grok’ The Martians seem to know instinctively what we learned painfully from modern physics, that observer acts with observed through the process of observation. ‘Grok’ means to understand so thoroughly that the observer becomes a part of the observed.