說無垢稱經疏 5.580

5.580

經　譬如高原（至）此四種花。

Sūtra: "Just as on high plateaus [and dry ground, blue lotuses (utpala), pink lotuses (padma), night lotuses (kumuda), and white lotuses (puṇḍarīka) do not grow, but in low, damp, muddy marshes grow] these four kinds of flowers;