Leaf Appendages and Modifications

Front

What are leaf appendages or stipules?

Back

Small outgrowths or appendages on the leaves of several species, usually protecting the young axillary bud.

Front

What does 'stipulate' mean in relation to leaves?

Back

Leaves with stipules are termed as stipulate.

Front

What does 'exstipulate' mean?

Back

Leaves without stipules are termed as exstipulate.

Front

Describe free lateral stipules.

Back

Two stipules that are free and hang or lie on either side of the leaf base.

Front

Give an example of a plant with free lateral stipules.

Back

Hibiscus rosa-sinensis.

Front

What are adnate stipules?

Back

Two stipules that are fused with the base of the petiole, modified into a spine.

Front

Provide an example of a plant with adnate stipules.

Back

Rosa damascena.

Front

What are interpetiolar stipules?

Back

Stipules of opposite leaves that are fused together to form two stipules on either side of the stem.

Front

Give an example of a plant with interpetiolar stipules.

Back

Morinda tinctoria.

Front

What are intrapetiolar stipules?

Back

Stipules that are fused together and lie between the stem and petiole in the axil.