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Visionary Cactus Guide

Obregonia

O. denegrii -

A rare 7 cm high cactus that resembles an inverted green pine-cone with a wooly center, laying in the rocks. Has triangular tubercles arranged in overlapping spirals. Fall blooming, with pink flowers and a large taproot. Sacred to several Mexican Indians. Another type of "living rock" Cactus. Native to Tamaulipa, Mexico.

Will not tolerate cold nor will it graft well. Needs full Sun.

Contains: horenine (.002%), tyramine (.003%), N-methyltyramine (.0002%).

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