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|Ian Hook, Sydney 08/05.
||Ian Hook, Sydney 09/05.
"Generally members of this genus have spiny leaves, although the severity of those spines varies.
Use spines to identify Q. testudo: the true testudo will have spines on its lower scape leaves (see arrow on picture). If those spines are not present, it is not testudo. It may be Q. quesneliana."
Photo originally from Michael Andreas. Text and permission to use from Karen Anderson. From "Quesnelia for your Landscape" by Karen Anderson in Florida Council of Bromeliad Societies, Vol.34 Issue.1, Feb.2014.