Leaf Appendages and Modifications

What is isophyllly?

• The condition where all leaves in a plant are similar in shape.

• The condition where leaves vary in shape and size.

• The phenomenon of leaves changing color in autumn.

• The process of leaves absorbing sunlight for photosynthesis.

What is a leaf tendril?

• A type of flower that attracts pollinators.

• Leaves modified for climbing, which can take various forms.

• A structure that stores water in arid environments.

• A part of the plant responsible for photosynthesis.

Give an example of a plant with foliaceous stipules.

• Lathyrus aphaca

• Rosa rubiginosa

• Quercus robur

• Cucumis sativus

Provide an example of a plant with sheathing stipules.

• Hydrophylax maritima

• Rosa rubiginosa

• Quercus robur

• Acer saccharum

What are ochreate stipules?

• Stipules that fuse to form a tube-like structure covering the internode and axillary bud.

• Stipules that are free and not fused to the stem.

• Stipules that are modified leaves that grow at the base of the leaf stalk.

• Stipules that are small, leaf-like structures found on the stem.

What is a foliaceous stipule?

• A stipule modified and enlarged to function like a leaf.

• A type of leaf that grows in clusters.

• A small leaf-like structure found at the base of a leaf stem.

• A stipule that has no function in the plant.

What is an auricle?

• A type of bird's call

• Outgrowths from the sides of the junction of the leaf sheath and lamina, resembling ears.

• A part of the human heart

• A musical instrument used in orchestras.

Describe free lateral stipules.

• Two stipules that are fused at the base and grow upwards.

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

• Two stipules that are absent in the plant species.

• Two stipules that are attached directly to the stem.

Provide an example of a plant with auricles.

• Wheat

• Corn

• Rice

• Barley

Provide an example of a plant with stipels.

• Dolichos lablab

• Rosa rubiginosa

• Quercus robur

• Pinus sylvestris