Ashtangasamgraha 3.43

3.43

He should not step upon shrines, venerable persons, flags, inauspicious shadows, ashes, chaff, or impurities,
nor upon gravel, clods of earth, places of offering, or bathing sites.

Or it is manageable in the strong; likewise, [that arising] from trauma—those two are manageable when acute.

Paṭola leaves, dusparśā, samaṅgā, and the sārivā creeper;

Excited yet calm, hard to cure, afflicted by a desire for sexual pleasure.