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Friday, July 8, 2011

Echinocereus papillosus

Yet another plant from the remarkable Echinocereus clan, from South Texas and adjacent Mexico. This is spreading plant with finger thick stems. There are several forms in cultivation, the one in the picture has yellow spines, others are with brown-red central spines.
Flowers really make this species to stand out even in it's flower-reach genus Echinocereus. They are plate-like, about 4 inch across and feel huge.
In well-known Taylor's book on the genus he states that plants are hesitant to flower and speculates about required warmer winters to initiate blooms. In my experience plants are blooming readily, all 3 forms that I have, and in my greenhouse winter temperatures go down to 5C on colder nights. That tells me that the only requirement these plants have to support flowering is plenty of sunlight.

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