Plant Tax Exam 2 SG

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75 Terms

1

What is the synapomorphy of the eudicots?

Triaperature pollen

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2

The common name of Ranunculaceae is..

Buttercups

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3

Describe the leaves of Ranunculaceae.

Palmately lobed and venation is palmate too

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4

What is characteristic of the carpels in Ranunculaceae?

They are apocarpous

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5

What does apocarpous mean?

Separated carpels

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6

What is the merosity found in Ranunculaceae?

5-merous

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7

T/F: Aggregate fruits are found in Ranunculaceae, but specific types varies across genera.

TRUE

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8

Many members of the Ranunculaceae have lost their petals and made their ______ petaloid/showy.

Sepals

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9

If Sharpy doesn't give us an ovary type, we can infer that it is ________. This also applies for __________ attached leaves.

superior

alternate

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10

What do members of Papaveraceae manufacture?

Latex

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11

What is so characteristic of the 2 sepals found in the Papaveraceae family?

They are caducous = early deciduous

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12

T/F: Members of Papaveraceae have numerous, tiny, dust-like seeds like the ones found in Orchidaceae.

FALSE - they are tiny and numerous but not dust like

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13

T/F: The Papaveraceae family is smaller in size.

TRUE ~ 825 species

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14

Papaveraceae and Ranunculaceae are found in what order?

Ranunculales

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15

What is the habit of the Crassulaceae family?

Succulent

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16

Members of the Crassulaceae often have a suffrutescent, which is….

being woody at the base and herbaceous above

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17

What type of photosynthesis does members of Crassulaceae undergo?

CAM photosynthesis

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18

What does CAM stand for?

Crassulacean Acid Metabolism

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19

Describe the ovaries found in members of the Crassulaceae family. (not inferior or superior)

They have 5 apocarpous ovaries

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20

What fruit type is formed by members of Crassulaceae?

An aggregate of follicles

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21

T/F: The Crassulaceae family, which loves arid environments, is small to moderate in size.

TRUE ~ 1,400 species

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22

Apocarpous ovaries ALWAYS become what?

Aggregate fruits

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23

Succulence normally indicates what?

Undergoing CAM photosynthesis

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24

Members of the Saxifragaceae have what habit type?

Perennial herbs

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25

Describe the leaves found on members of Saxifragaceae.

They are mostly basal

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26

The Saxifragaceae family is characterized by the presence of a leafless peduncle known as a….

scape

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27

What is the stamen count for members of Saxifragaceae?

10

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28

T/F: The gynoecium of Saxifragaceae members is unfused and separate.

FALSE - gynoecium is fused and lobed

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29

T/F: The Saxifragaceae family is rather small in size.

TRUE ~ 745 species

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30

What are 3 characteristics of the Caryophyllales order?

  1. Free central placentation

  2. Curved embryos

    1. Betalains

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31

What is the habit of the Caryophyllaceae family?

Mostly herbaceous

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32

Describe the nodes of the Caryophyllaceae family.

Swollen

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33

What is present on the petals found in the Caryophyllaceae family?

A claw - narrowing and tapering part of the petal

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34

What fruit type is characteristic of the Caryophyllaceae family?

DENTICIDAL capsule

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35

What is the merosity of the Caryophyllaceae family?

5-merous

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36

Is the Caryophyllaceae family a large or small family?

On the larger side, but more moderate in size (2,200 species)

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37

The teeth of the denticidal capsule is determined how?

1-2x the style OR carpel number

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38

What is the habit of the Cactaceae family?

Succulent

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39

Describe the amount of tepals found in the Cactaceae family.

Numerous

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40

T/F: The gynoecium and androecium of the Cactaceae family is numerous.

TRUE

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41

What type of ovaries does the Cactaceae family have? What is the fruit type?

Inferior ovaries → Berries

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42

What are the short axillary shoots found on members of the Cactaceae family?

Areoles

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43

What are the barbed trichomes found on areoles called?

Glochids

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44

Cacti CAN make true leaves, but they are normally…

small and caducous

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45

Briefly define the difference between spines, thorns, and prickles.

Spines = modified leaves

Thorns = modified stems/branches

Prickles = modified epidermal tissue

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46

What type of ovary does the Amaranthaceae family have?

Superior ovary

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47

What is the fruit type of the Amaranthaceae family?

Utricle - like a dry, dehiscent achene

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48

Describe the covering found on members of the Amaranthaceae family?

A farinose/salty covering

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49

Members of the Polygonaceae family have a papery stipule, termed as an…

ochrea

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50

The nodes of the Polygonaceae family have _____ nodes.

swollen

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51

What is the inflorescence of the Polygonaceae family?

Fasicles

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52

What are fascicles?

Few flowered units

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53

Is the Polygonaceae family a large or small family?

Smaller

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54

Describe the bracts found in members of the Nyctaginaceae family.

Bracts are found in an involucre, often showier than the perianth

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55

The achene is persistent and accresent in members of the Nyctaginaceae family. What does accresent mean?

Growing after maturity

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56

The Rosids are delimited into what?

Fabius and Malvids

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57

What is the habit of the Euphorbiaceae family?

Mostly succulent

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58

What is characteristic of the Euphorbiaceae family that they produce?

Latex

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59

What is the inflorescence of members of the Euphorbiaceae family?

Cyathium

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60

What is a cyathium?

A mini cyme; lacks a perianth

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61

Describe the ovaries of the Euphorbiaceae family.

3 carpellate ovaries

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62

T/F: The spiney structures found in members of the Euphorbiaceae family are usually leaves.

FALSE - modified stipules, petioles, stems

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63

What 2 types of flowers are found in members of the Violaceae family?

Chasmogamous (open up) & Cleistogamous (never open up)

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64

Describe the symmetry of the Violaceae family.

They have bilateral symmetry (zygomorphic)

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65

What type of placentation do members of the Violaceae family have?

Parietal

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66

Describe the stamens found in the Violaceae family.

5 connivent stamens

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67

Describe the ovary of the Violaceae family.

3 carpellate ovary

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68

What type of capsules do members of the Violaceae family have?

Loculicidal capsules

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69

What is the reason for being cleistogamous?

Self pollination AND they are also the earliest native flowering plants (no pollinators out)

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70

What teeth do members of the Salicaceae family have?

Salicoid teeth

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71

T/F: The flowers of the Salicaceae family have unisexual and small flowers, lacking a perianth.

TRUE

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72

What type of inflorescence do members of the Salicaceae family have?

Catkins

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73

Describe the seeds found in members of the Salicaceae family.

Comose seeds with tufts of coma (hairs)

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74

What is the ovary and fruit type of the Salicaceae family?

Superior → capsules

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75

List the 2 major differences between the Salix and Populus genus.

Salix - 1 bud scale & upright catkins

Populus - 2+ bud scales & pendulous catkins

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