quincuncial

sepals free or barely united at base, imbricate or quincuncial, usually punctate or punctate-lineate.

刚刚萼片离生合生，覆瓦状，通点的点。

Calyx 5- or rarely 4-partite, quincuncial, basal glands usually present.

花萼5者很少4分裂，通腺体宿存，梅花形，通有腺体。