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…

The longitudinal section of a flower of phyllocactus shpws the botanical characteristics. A represents the calyx tube, B shows the calyx lobes, C represents the petaloid calyx lobe, D shows the petals, E shows the style, and F represents the ovary.

Longitudinal Section of Flower of Phyllocactus

The longitudinal section of a flower of phyllocactus shpws the botanical characteristics. A represents…