西域樹名，葉青，華有三色：日未出時黑色，日正照時赤色，日沒時黃色。樹汁甚赤。用染皮[(畾/(冗-几+互))*毛]。名曰紫礦。見翻譯名義集。參照波羅奢條。
palāśa; a leaf, petal, foliage; the blossom of theButea frondosa, a tree with red flowers, whose sap is used for dye; said to be black before sunrise, red during the day, and yellow after sunset.
波羅奢華 章安云：此是樹名。其葉青色；華有三色：日未出時，則黑色；日正照時，華赤色；日沒時，華黃色。今取赤色如血義耳。經音義云：此華樹汁，其色甚赤，用染皮[疊*毛]，名曰紫礦。
譯曰赤花