mātṛvivāhocitadeśajanmanaḥ piṇḍakharjūrasyānyatra deśe mātṛvivāhābhāve satyabhāvavat
Just as [one observes] the absence [of an effect] when the date palm, [which is] native to the region suitable for mātṛvivāha, [is absent] in another region where mātṛvivāha is absent