Stamen

The male floral structure, comprised of a filament supporting a pollen-bearing anther.

Pistil

The female floral structure comprised of the , , and .

Axil

The upper angle between a leaf (or twig, etc.) and the stem to which it is attached.

Opposite

Arranged in adjacent pairs on the stem.

Filament

The stalk-like portion of the stamen which supports the .

Calyx

The outer whorl of floral leaves () at the base of the flower.

Anther

The portion of the which contains the pollen.

Alternate

Not one another in pairs, but rather alternating singly on the stem; one per node.

Acute

Coming to a sharp point.

Ovary

The hollow, swollen area at the base of the pistil where the seeds develop.

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