Manusmriti
ब्राह्मणो बैल्वपालाशौ क्षत्रियो वाटखादिरौ । पैलवौदुम्बरौ वैश्यो दण्डानर्हन्ति धर्मतः ॥ ४५ ॥
A Brahmana shall (carry), according to the sacred law, a staff of Bilva or Palasa; a Kshatriya, of Vata or Khadira; (and) a Vaisya, of Pilu or Udumbara.
english translation
brAhmaNo bailvapAlAzau kSatriyo vATakhAdirau । pailavaudumbarau vaizyo daNDAnarhanti dharmataH ॥ 45 ॥
hk transliteration by Sanscript