adj.有五个角的
;persistent calyx explanate, pentangular, ca. 4 mm in diam., tomentose, shallowly 5-lobed, lobes obtusely triangular, ciliate; 宿存花萼平展，五角，直径约4毫米，被绒毛，浅5裂，裂片钝三角形，纤毛；
