utricle

1.Styles short;stigmas capitate.Utricles irregularly circumscissile (bursting).

花柱短柱规则胞果周裂(爆发)。

2.Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果凸两面；喙差多等于珠心长度；种子离生果；对具微刺在先端针叶和苞片。