Rosette Structure in Succulents, Agave and Bromeliads

I’m using a small succulent Echeveria to show the rosette structure of this plant – I can’t get high enough to photograph the taller plants from above especially since a lot of them are prickly.SucculentSucculents have fleshy leaves and store their water within the leaf itself. This Sempervivum succulent is commonly called ‘Hens and Chicks’ for its habit of making small offshoots of itself to the side.succulentAloes are another succulent with a rosette structure. This small Aloe called ‘Sea Urchin’ is showing off its red flowers.Small Aloe Sea Urchin with red flowersWatercolour sketch of the Partridge Breast (Aloe variegata) seen in Arizona.
sketch Aloe VariegataBoth Yucca and Agave plants belong to the family of Agavaceae, and grow in a ‘rosette’ form. Mexican agaveThe rosette structure from the side on a young Yucca plant.Yucca in the gardens of Las Brisas in Huatalco, MexicoI was often confused about the differences between a bromeliad and a yucca, but most bromeliads are not succulents and store their water in the centre of the plant.
Centre pool of water of a Bromeliad in the Puerto Vallarta Botanical Garden, MexicoThis bromeliad not only has a pool of water in the centre, it has an entire ecosystem! 
Looking down into the centre of a bromeliad in the Puerto Vallarta Botanical Garden More of Nancy Merrill’s Photo a Week Challenge: Structure in Nature.

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