Matsya Purana — Purūravas Witnesses the Sports of Apsarases and Gandharvas; Attains the Grace...
काचिद् उच्चीय पुष्पाणि ददौ कान्तस्य भामिनी कान्तसंग्रथितैः पुष्पै रराज कृतशेखरा //
kācid uccīya puṣpāṇi dadau kāntasya bhāminī kāntasaṃgrathitaiḥ puṣpai rarāja kṛtaśekharā //
One passionate young woman gathered flowers and offered them to her beloved; and with those flowers, strung together by her lover, she shone—her hair adorned with a newly made floral crest.
This verse does not discuss pralaya or cosmology; it is a poetic description of human love and adornment using flowers.
Indirectly, it reflects refined household/courtly culture—gift-giving, mutual affection, and aesthetic self-presentation—often treated in Puranic narratives as markers of civilized life (saṃskāra) rather than explicit dharma instruction.
No explicit Vastu or temple-ritual rule appears here; the only ritual-adjacent element is floral ornamentation, which broadly aligns with Indian customs of using flowers for decoration and offerings.