Declension table of ?vṛkṣya

Neuter	Singular	Dual	Plural
Nominative	vṛkṣyam	vṛkṣye	vṛkṣyāṇi
Vocative	vṛkṣya	vṛkṣye	vṛkṣyāṇi
Accusative	vṛkṣyam	vṛkṣye	vṛkṣyāṇi
Instrumental	vṛkṣyeṇa	vṛkṣyābhyām	vṛkṣyaiḥ
Dative	vṛkṣyāya	vṛkṣyābhyām	vṛkṣyebhyaḥ
Ablative	vṛkṣyāt	vṛkṣyābhyām	vṛkṣyebhyaḥ
Genitive	vṛkṣyasya	vṛkṣyayoḥ	vṛkṣyāṇām
Locative	vṛkṣye	vṛkṣyayoḥ	vṛkṣyeṣu

Compound vṛkṣya -

Adverb -vṛkṣyam -vṛkṣyāt