Botany Lab Exam #2 -- Internal Anatomy Stems

Front 1

medicago sativa (alfalfa) stem

parenchyma cells/tissue are found:

Back 1

in the pith, cortex, xylem rays, sieve tube members, etc.

Front 2

medicago sativa (alfalfa) stem

collenchyma cells/tissue are found:

Back 2

in the cortex, directly underneath the epidermis

Front 3

medicago sativa (alfalfa) stem

sclerenchyma cells are found:

Back 3

the are the vessel elements of the xylem, etc.

Front 4

medicago sativa (alfalfa) stem

the vascular bundles are

Back 4

open and colateral

Front 5

medicago sativa (alfalfa) stem

stele type:

Back 5

siphonstele> eustele
eudicot

Front 6

medicago sativa (alfalfa) stem

interfascicular cambium/ fascicular cambium

Back 6

in between the vascular bundles/ in betweem the phloem and xylem in the vascular bundles

when the vascular bundles conjoin the fascicular cambium becomes the vascular cambium.

Front 7

medicago sativa (alfalfa) stem

sieve tube members/ companion cells

Back 7

modified parenchyma cells in the phloem/ not really visible but smaller in between the sieve tube members

Front 8

medicago sativa (alfalfa) stem

phloem fibers

Back 8

found directly about the sieve tube members and are modified sclerenchyma cells

Front 9

medicago sativa (alfalfa) stem

stoma/guard cells

Back 9

found in the epidermis, and are bean shaped cells, can be opened or closed.

Front 10

zea mays (corn) stem

stele type:

Back 10

siphonostele>atactostele
monocot

Front 11

zea mays (corn) stem

parenchyma cells

Back 11

phloem, pith (ground tissue is a better answer)

Front 12

zea mays (corn) stem

sclerenchyma cells

Back 12

around the vascular bundle (bundle sheath), modified vessel element/ tracheids

Front 13

zea mays (corn) stem

vascular bundles are:

Back 13

closed and colateral

Front 14

zea mays (corn) stem

xylem:

Back 14

vessel elements > the two large lateral sclerenchyma cells

tracheids > may be in between the two larger vessel elements.

Front 15

zea mays (corn) stem

phloem:

Back 15

above the xylem and is made up of parenchyma cells > sieve tube members and smaller companion cells.

Front 16

zea mays (corn) stem

protoxylem lacuna

Back 16

large intercellular space below the xylem, protoxylem may still be intact.

Front 17

cucurbita stem

stele type:

Back 17

open and bicolateral

Front 18

cucurbita stem

parenchyma cells/tissue

Back 18

it can be found in the pith, the cortex, phloem tissue, etc.

Front 19

cucurbita stem

collenchyma

Back 19

underneath the epidermis

Front 20

cucurbita stem

fascicular cambium

Back 20

found beneath the external phloem

Front 21

cucurbita stem

xylem tissue

Back 21

vessel elements>large xylem holes

Front 22

cucurbita stem

phloem

Back 22

sieve tube members and smaller companion cells

Front 23

coleus stem tip

apical meristem

Back 23

the middle of the main tip

Front 24

coleus stem tip

protoderm

Back 24

the outside of them stem tip

Front 25

coleus stem tip

procambium

Back 25

the line in the middle of the ground meristem

Front 26

coleus stem tip

node

Back 26

the actually part with the leaves and buds

Front 27

coleus stem tip

internode

Back 27

in between the nodes

Front 28

bud primordium

Back 28

the small round red buds close to the leaf buttresses

Front 29

coleus stem tip

leaf primordium

Back 29

two small protrusions on the sides of the apical meristem

Front 30

coleus stem tip

leaf buttresses

Back 30

the large leaf life protrusions in the nodes

Front 31

coleus stem tip

phytomere

Back 31

the phytomere is made up of the node and the internode.

Front 32

tilia stem (secondary growth)

periderm

Back 32

made up of from internal to external> the phelloderm, the phellogen/the cork cambium, and the phellum or cork cells

Front 33

tilia stem (secondary growth)

mucilage ducts

Back 33

in angiosperms the mucilage ducts are mainly in the pith and are big red cells