Manusmriti

siva.sh/manusmriti/1/49

तमसा बहुरूपेण वेष्टिताः कर्महेतुना । अन्तस्सञ्ज्ञा भवन्त्येते सुखदुःखसमन्विताः ॥ ४९ ॥

sanskrit

These (plants) which are surrounded by multiform Darkness, the result of their acts (in former existences), possess internal consciousness and experience pleasure and pain.

english translation

tamasA bahurUpeNa veSTitAH karmahetunA | antassaJjJA bhavantyete sukhaduHkhasamanvitAH || 49 ||

hk transliteration by Sanscript