This species has been shown to be an iron-inefficient plant because of its inability to make iron more available to roots through biochemical changes. This information translates to mean that iron deficiency is likely, especially if growing media pH levels are too high.
Named for Dr. William Fraser Tolmie (1812-1886), surgeon for the Hudson Bay Company at Ft. Vancouver, Canada.
Some exotic diseases of citrus that involve small, single-stranded RNA molecules called viroids, can be transmitted to this species.
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