Balm is a perennial plant; the stem is upright, hairy, quadrangular, and
branched and grows as high as 3 feet. The leaves are opposite,
ovate, long-petioled, somewhat hairy, bluntly serrate, and acuminate. The
bilabiate flowers grow in axillary clusters and may vary in color from pale
yellow to rose colored or blue-white. The flowering time is July and August.
When bruised, the whole plant smells like lemon.
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Balm
