Perianth segment apex not acicular , neither connivent nor forming a cone .

不针状，既不靠合的花被片顶也非形成一圆锥形。

Acicular and flake shape products decrease and size fraction much more well-proportioned .

针状和片状产品形状和大小减少部分更匀称。

Perianth segment apex acicular , together connivent and forming a cone , rarely apex membranous and thinly long aristate .

花被片顶针状的，靠合和形成的一圆锥，很少的先端膜的薄具长芒的。

Perianth segments with a winged , acicular , or tuberculate appendage abaxially in fruit .

花被片有翼，针状，或者背面的具瘤附加物在果期。

Leaves sessile , alternate , subulate or acicular , base expanded , apex pellucid ; leaf axils fascicular villous .

叶无柄，交替，或针状，透明的基部膨大，先端；叶腋束状具长柔毛。