Leaf Diversity the poins where A cadicot leaf consists of a flat blade and a sta

Question

Leaf Diversity the poins where A cadicot leaf consists of a flat blade and a stall, called the petiole. An axillary bud appears at the petiole attaches a leaf to the stem. In other words, an axilflary bud is a tip-off that you are looking at a single Observotio Leaf Diversity Several types of eudicot leaves will be on display in the laboratory. Examise them using these directions . A leaf may be slmpae, in which case it consists of a single blade: or a leaf may be compound, meaning its . A compound leaf can be palmately compound, meaning the leaflets ane spread out from one point. Which . A compound leaf can be pinnately compound, meaning the leaflets are attached at intervals along the . As shown in Figure 19.15, leaves can be in various positions on a stem. On which stem in Figure 19.15b, single blade is divided inso leaflets. In Figure 19.1Sa write "simple" or "compound" next to the wond "lea n I-3. Among the leaves on display find one that is simple and one that is compound leaf in Figure 19. 1Sa is palmately compound? Add "paimately" in fromt of "compound" where apropriate See if you can find a palmately compound leaf among those on display petiole. Which leaf in Figure 19.1 5a is pinnately compound? Add pinnately in fromt of "compound" where apprepriate. See if you can find a pinnately compound leaf among those on display 4-6, are the leaves opposite one another? Write the word "opposite" where oppropriate, On which stem do the leaves alternate along the stem? Write the word "akernate" where appropriate. On which stem do the leaves whorl about a node? Add the word "whort" where opprepriate in Figure 19.15%. See if you can find diffcrent arrangements of leaves among stems on display Figure 19.15 Classification of leaves. axtary bud- leat magnola Simple versus conpound leares leaf, buckeye leat, black walhut axillary buds leaves, beach leaves, bedsta leaves, maple Arargement of leaves on stem 248 Labory t9 Oranatios of Flowening Parts 19-16

Explanation / Answer

1. Simple leaf.

2. Palmately compound.

3. Pinnately compound.

4. alternate leaf.

5. Whorled leaf.

6. Palmately compound.

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