Leaves

Ludwigia palustris (Onagraceae)(2x Enlarge)

Examine this 'marsh purslane' plant and determine the following about its leaves:

3-1. Leaf arrangement is:

a) opposite

b) alternate

c) whorled

d) entire

e) smooth

3-2. Which of the following describes the leaves:

a) sessile, margin toothed

b) peltate, margin entire

c) sessile, margin entire

d) petiolate, margin crenate

e) petiolate and hirsute

3-3. Only one of the following statements is true:

a) A monocot with clasping leaves

b) A dicot with hairy, waxy leaves to reduce water loss

c) A monocot growing in relatively wet areas

d) A dicot with leaves opposite, leaf bases attenuate

e) A wetland plant with compound leaves

<< Chapter 3

Answers to Laboratory Questions:

3-1 ~ a

3-2 ~ d (but tricky, as petiole is about 1 mm long and margins weakly crenate).

3-3 ~ d