Pertaining to or resembling or functioning as a bract .

关于、类似于苞叶，或具有苞叶的功能。

Flowers produced on short shoots , each flower subtended by a bract or bract suppressed ; perianth lacking .

花生于短枝上，每个花都被苞片包围或者被隐藏在苞片里；花被无。

Flowers subtended by a single bract .

花以一单个苞片被包着。

Bract margin slightly and irregularly dentate .

苞片边缘稍和不规则配位基。

Bract and bracteole margin ciliate .

苞片和小苞片边缘具缘毛。