For the source text click/tap here: Yoma 38
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The Mishna on our daf lists individuals whose behavior was criticized by the Sages.
Among them are two families of kohanim – Bet Garmu, who were responsible for baking the lehem ha-panim (shewbread) and Bet Avtinas, who were responsible for the ketoret and succeed in creating an incense whose smoke would rise in a straight line to the heavens
The plant seen by the descendant of Bet Avtinas is referred to as ma’aleh ashan.
Although the tradition identifying this plant has apparently been lost over the centuries, the generally accepted identification is with a weed called leptadenia pyrotechnica, a plant that grows in the southern part of the Jordan Valley and in the northern Sinai.