Idria columnaris
Idria columnarisIdria columnaris
In cultivation Idria columnaris grows slowly and forms an attractive stem succulent as seen in the left hand picture. Certainly it is unlikely to grow into anything like the 18m (60 feet) tall "Boojum" trees which these plants develop into in their native Baja California.

The plant pictured on the right was photographed in the Boyce-Thompson Arboretum, near to Phoenix in Arizona. The arboretum claims to have the largest specimens of I. columnaris in the USA.

Photographs by : John Ellis

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