穹丘的横断面为圆形或卵圆形。

The domes are circular or ovoid in cross - section.

蒴果卵圆形，长1- 1.5厘米，外面有小瘤状突起。

Capsule ovoid, 1-1.5 cm long, tuberculate outside.

细胞形态均一，呈圆形或卵圆形，未见胞质突起，在外分泌部未见到B细胞。

B cells were round or oval in shape, without cytoplasmic processes and none of the exocrine pancreas was stained.