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The common names of <I>Aristolochia macrophylla</I> are dutchman's pipe and pipe vine. The flowers are u-shaped and purplish. The flowers are enlarged above the ovary. The ovary is labeled "a" and the swelling of the calyx-tube is labeled "b".

Aristolochia Macrophylla

The common names of Aristolochia macrophylla are dutchman's pipe and pipe vine. The flowers are u-shaped…

Pictured is the longitudinal section of <I>Aristolochia macrophylla</I>. Shown is the ovary and the short column of stamens. The common names of the plant are dutchman's pipe and pipe vine.

Aristolochia Macrophylla

Pictured is the longitudinal section of Aristolochia macrophylla. Shown is the ovary and the short column…

Of the birthwort family (Aristolochiaceae), the Virginia snakeroot or Aristolochia serpentaria and the flower of the Dutchman's pipe or Aristolochia macrophylla.

Virginia Snakeroot

Of the birthwort family (Aristolochiaceae), the Virginia snakeroot or Aristolochia serpentaria and the…