綜合描述
單體珊瑚,珊瑚體白色或褐黃色,外觀呈扁圓盤狀、平均珊瑚體直徑為25.5 mm,高7 mm,最大直徑約47 mm,高9 mm,為本珊瑚屬中體型最大者,珊瑚體底部扁平或略微凹陷。成熟個體具有5組隔片(S1~S5),呈六放排列,隔片上緣具細小齒突,稍微突出,溝槽(fossa)通常較淺。S1最大(6 mm)且獨立;S2大小略等於S1,末端藉由P2~P3與S3末端癒合;S4長度約S3的一半,末端與P3癒合;S5與S4大小相似,末端通常相互癒合,隔片長度為S1≧S2>S3>S4>S5。中柱狹長。籬片4組(P1~P4),P1具有1~3片,P2大且常與P3癒合;P4小而不明顯。肋片較細,各片外觀和寬度一致,突出珊瑚體邊緣約1 mm,表面具有細小突起,肋片(C3~C5)未與珊瑚體中心連接。
參考文獻
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