Lab Quiz 5 Name:_____________________

BioPl 243 TA: Pam White

Sect. 01

18 Nov 1998

This quiz is worth 20 points. There are 7 stations corresponding to questions 1-7. Question 8 has no station. Good luck!
  1. a. (2 points) Complete the following table. For each category, indicate a particular feature and how it differs between members of the Iridaceae and Liliaceae.

    2. Example:

    Category

    Spiraeoideae

    Maloideae
     

    Flower

    hypanthium absent

    hypanthium present

    Category

    Liliaceae

    Iridaceae

    Vegetative

    equitant stems

    non-equitant stems

    Androecium

    6 stamens, versatile

    3 stamens, basifixed

    b. (1 point) Which family is represented here?:
    IRIDACEAE

  2. (4 points) One of these specimens belongs to Poaceae and the other to Cyperaceae. Indicate the appropriate families for "A" and "B". List two observable features that can help you distinguish between these two families. Note that the features you list must be observable on these specimens.
    3.
     

    A

    B

    Family

    Poaceae

    Cyperaceae

    Feature 1

    unfused leaf sheaths

    round, hollow stems

    fused leaf sheaths

    triangular, solid stems
  3. (2 points)

    4. a. What family is represented here by this herbarium specimen? FAGACEAE

    b. What is the term used to describe this woody structure (at arrow)? CUPULE

  4. (2) points

    5. a. Examine these catkins under a microscope to determine whether they are pistillate or staminate catkins. Circle one.
    1. pistillate staminate
    2. pistillate staminate

    b. Which family is represented here? BETULACEAE

  5. (3 points) Water can be a limiting resource for epiphytic plants. Identify these plants to family, name one feature for each plant that allows them to survive with little water, and then indicate where this feature is located on the plant.
    6.

    Plant

    Family

    Feature

    Location of feature

    A

    Bromeliaceae

    hygroscopic hairs

    tank habit

    leaf

    stem/leaves

    B

    Orchidaceae

    velamen

    psuedobulb

    roots

    stem
  6. (2) points

    7. a. What is the pollinator reward of this flower? Pollen
    b. Which family is represented by this plant? COMMELINACEAE

  7. (2 points)
    a. What are you eating when you eat coconut meat (be specific)?
    cellular endosperm
    b. What is this fruit type? drupe
    c. Which family is represented here? ARECACEAE
  8. (3) points Answer only one of the following questions (either a. or b.). No extra credit for answering both.

a. Draw a Carex spikelet, be sure to show perigynium and label all parts in your drawing.

see p. 443 of W & K.

b. Indicate the appropriate term used to describe the parts labeled on this illustration of a spikelet from the family Poaceae.

A. rachilla

B. palea

C. anther/stamen

D. lemma

E. glume