Vaishnava Dharmashastra 50.48

50.48

phaladānāṃ tu vṛkṣāṇāṃ chedane japyam ṛkśatam
gulmavallīlatānāṃ ca puṣpitānāṃ ca vīrudhām //

For cutting (unawares?) trees yielding fruit (such as the bread-fruit or mango trees), shrubs, creeping or climbing plants, or plants yielding blossoms (such as the jasmine tree), he must mutter a Vedic text (the Gâyatrî) a hundred times.