Tabebuia impetiginosa, a tall, fast-growing tree of the family Bignoniaceae, completely loses its leaves in May or June and becomes covered by large clusters of bluish pink flowers from May to July or August. Pomilio and Sproviero (8) found in the flowers of Argentine Tabebuia spp. three anthocyanins: cyanidin-3-glucoside, cyanidin-3-rutinoside, and peonidin-3-rutinoside. This paper reports the identification of a major anthocyanin present in the flowers of T. impetiginosa.
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