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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…

"Monotropa Hypopithys. 2. a flower; 3. a pistil; 4. the same divided perpendicularly; 5. a seed; 6. seed of Pterospora andromedea; 7. section of it." -Lindley, 1853

Dutchman's Pipe

"Monotropa Hypopithys. 2. a flower; 3. a pistil; 4. the same divided perpendicularly; 5. a seed; 6.…