Midterm 1 Study Guide

Question 1

Etherial oil cells

List the families in which a significant number of the species exhibit this trait

Answer 1

Annonaceae
Magnoliaceae
Calycanthaceae
Lauraceae
Piperaceae
Aristolochiaceae

Question 2

Aquatic habit

Answer 2

Nymphaeaceae
Nelumbonaceae

Question 3

Succulence

Answer 3

Crassulaceae

Question 4

CAM photosynthesis

Answer 4

Crassulaceae

Question 5

Opposite leaves

Answer 5

Calycanthaceae
Crassulaceae

Question 6

Palmately lobed/compound leaves

Answer 6

Platanaceae
Berberidaceae
Saxifragaceae
Grossulariaceae
Vitaceae

Question 7

Tendrils

Answer 7

Vitaceae

Question 8

Dioecious

Answer 8

Amborellaceae
Ranunculaceae

There seem to be many more, but this was all that was mentioned in labs and lecture

Question 9

Monoecious

Answer 9

Platanaceae

There seem to be many more, but this was all that was mentioned in labs and lecture

Question 10

Laticifers

Answer 10

Papaveraceae
Nelumbonaceae

Laticifers: specialized cells or ducts that produce latex

Question 11

Scapose inflorescences

Answer 11

Saxifragaceae

Question 12

Bilateral corollas

Answer 12

Ranunculaceae
Aristolochiaceae

Question 13

3-merous flowers

Answer 13

Annonaceae

3-merous flowers: flowers with floral parts (petals, sepals, stamens, etc.) in multiples of three

Question 14

4-merous flowers

Answer 14

Proteaceae
Crassulaceae
Saxifragaceae
Grossulariaceae

3-merous flowers: flowers with floral parts (petals, sepals, stamens, etc.) in fours or multiples of four

Question 15

Imperfect flowers

Answer 15

Amborellaceae
Lauraceae
Piperaceae
Ranunculaceae
Platanaceae
Vitaceae

Sometimes Ranunculaceae and Vitaceae have imperfect, unisexual flowers

Question 16

Wind-pollinated

Answer 16

Ranunculaceae
Platanaceae

Question 17

Numerous tepals

Answer 17

Amborellaceae
Annonaceae
Magnoliaceae
Calycanthaceae
Lauraceae

Question 18

One perianth whorl

Answer 18

Amborellaceae
Aristolochiaceae

Probably more than this

Question 19

Hypanthium

Answer 19

Saxifragaceae
Grossulariaceae

Question 20

Concave receptacle

Answer 20

Calycanthaceae
Lauraceae

Question 21

Stamens opposite petals

Answer 21

Proteaceae
Vitaceae

Question 22

Anthers opening by flaps

Answer 22

Lauraceae
Berberidaceae

Question 23

Tricolpate pollen

List orders instead of families

Answer 23

Ranunculales
Proteales
Saxifragales
Vitales

There are more than this but it includes everything we’ve learned for midterm 1

Question 24

Monosulcate pollen

Answer 24

Everything else
(aside from Ranunculales, Proteales, Saxifragales, Vitales)

Question 25

Numerous free carpels

Answer 25

Amborellaceae Nymphaeaceae Magnoliaceae Annonaceae Ranunculaceae Nelumbonaceae

Question 26

Inferior ovaries

Answer 26

Aristolochiaceae Nymphaeaceae

Question 27

Ruminate endosperm

Answer 27

Annonaceae ## Footnote Ruminate endosperm: endosperm has irregular infoldings, giving it a grooved or marbled appearance

Question 28

Aquatic habit ## Footnote When did it evolve on the phylogenetic tree?

Answer 28

For Nymphaeaceae, it evolved specifically within its lineage (so none of the other families also got it) Probably similar for Nelumbonaceae

Question 29

How can you tell Magnoliaceae and Calycanthaceae apart?

Answer 29

Magnoliaceae: has stipules that leave a scar Calycanthaceae: doesn't have stipules

Question 30

How can you tell Saxifragaceae and Grossulariaceae apart?

Answer 30

Saxifragaceae: has an often scapose inflorescence, fruits capsules/follicles Grossularia: axillary inflorescences, fruits berries

Question 31

How can you tell Lauraceae and Berberidaceae apart?

Answer 31

Lauraceae: no stipules, simple leaves Berberidaceae: stipules, leaves simple/compound