花5瓣，萼片宽，无柄，基部稍合生，长圆形，急尖，2.5毫米长，花瓣基部稍合生，平展，花瓣白色，花药深红色。
Flowers 5-merous, sepals broadly sessile, slightly connate basally, oblong, acute, to 2.5 mm, petals basally slightly connate, spreading, white, anthers dark red.
生长在美国西南部沼泽的一种观赏灌木或小乔木，具有大的粉红色或白色萼片，产生能够治疗疟疾的乔治亚树皮。
Ornamental shrub or small tree of swampy areas in southwestern United States having large pink or white sepals and yielding Georgia bark for treating fever.
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