Which nearby native plant is specifically cited as having a known purgative effect that Salal lacks?

Answer

Labrador Tea (*Ledum groenlandicum*)

To highlight the contrast in properties between local Northwest medicinal plants, Labrador Tea (*Ledum groenlandicum*) is mentioned. Excessive consumption of Labrador Tea is explicitly noted to potentially act as a cathartic. A cathartic is defined as a substance that aggressively purges the bowels, effectively functioning as a strong laxative. The fact that sources attribute this known purgative quality to a different local plant while describing salal with astringent and binding properties serves as a clear distinction, confirming salal is not categorized similarly.

Which nearby native plant is specifically cited as having a known purgative effect that Salal lacks?
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