explanate

1.Petals 5, yellow or white, not clawed, entire, explanate or recurved.

花瓣5，白色或黄，无瓣爪，全缘，平展或下弯。

2.;persistent calyx explanate, ca. 4 mm in diam., shallowly 5-lobed, lobes deltoid, densely pubescent and ciliate;

平展宿存花萼，直径约4毫米，浅5裂，耳垂正三形，密被短柔毛和纤毛；