Lab Quiz 2 Name: ____KEY_________

BioPl 243 TA: Pam White

Sect. 01

30 Sep 1998

This quiz is worth 20 points.

  1. a. (4 points) Using the dichotomous key in Walter’s and Keil, key this flower out to family. You must list all the steps below in order to receive full credit (start on p. 557).

    2. 1¢ à 9¢ à 10¢ à 22¢ à 23 à 24¢ à 25¢ à 26 à RANUNCULACEAE

     

     

    b. (1 point) True or False. Some members of this family possess imperfect
    flowers : TRUE (e.g. Thalictrum)

  2. (2 points)

    3. a. Name the family: NYMPHAEACEAE

    b. What’s unusual about the anthers in members of this
    family?: PETALOID

  3. (2 points)
    a. Name the family: LAURACEAE
    b. Which term is applied to describe this type of stamen?: VALVATE DEHISCENCE
  4. (3 points)
    a. Name the family:PAPAVERACEAE
    b. Which fruit type is most common in this
    family?:CAPSULE
    c. Name one important economic use of members of this plant
    family:POPPY SEEDS/OPIUM/MORPHINE/ETC.
  5. (4 points) Two examples of Rosaceae fruits. Complete the following table.
    6.
     

    A

    B

    Subfamily

    Spiraeoideae

    Pomoideae

    Fruit type

    Follicle

    Pome

    Number of carpels (if more than 15 put "many")

    5

    5

    Syncarpous or apocarpous?

    Apocarpous

    Syncarpous
  6. (2 points)
    a. Which term is applied to describe stamens in this type of
    arrangement?:DIADELPHOUS
    b. This type of staminal arrangement is found in (be specific, i.e.
    subfamily):PAPILIONOIDEAE
  7. (2 points)
    a. Name the subfamily:MIMOSOIDEAE
    b. How do you know?:FLOWERS REGULAR
    (stamens = showy part of flower, bipinnate leaves also accepted ...even though not ALL mimosoids have bipinnate leaves and SOME caesalpins also have them as well)