Leaf Venation + Shapes

Question 1

parallel venation

Answer 1

veins extending from base to apex parallell

Question 1

venation

Answer 1

referring to veins of leaf (aka: nerves)

Question 2

pinnate venation

Answer 2

secondary veins arising from the mid rib (main vein)

Question 3

palmate venation

Answer 3

3 or more primary veins arriving from one common point

Question 4

arcuate venation

Answer 4

secondary veins arching off of mid vein

Question 5

petiole

Answer 5

leaf stalk or part that connect the leaf to the stem

Question 6

ovate

Answer 6

egg shape leaf

Question 7

obovate

Answer 7

upside-down egg shape leaf (narrow base)

Question 8

cordate

Answer 8

heart shaped leaf

Question 9

pith

Answer 9

centermost tissue of the stem

Question 10

solid/homogenous pith

Answer 10

pith with solid core of cells

Question 11

hollow pith

Answer 11

pith without pith cells/partitions

Question 12

diaphragmed pith

Answer 12

pith with solid core and distinct partitions

Question 13

chambered pith

Answer 13

no solid core of pith cells, only the distinct partitions present

Question 14

sinus

Answer 14

space between two lobes (U vs V)

Question 15

lanceolate

Answer 15

spearheaded shape leaf

Question 16

drupe

Answer 16

fleshy fruit with stony pit (ex: avocado)

Question 17

vascular tissue

Answer 17

veins of a lear, transport water + nutrients

Question 18

VBS

Answer 18

vascular bundle scars

Question 19

crenate

Answer 19

round toothed leaf

Question 20

crenulate

Answer 20

very small round toothed leaf

Question 21

samara

Answer 21

winged fruit, helicopter leaves (can be single or double)

Question 22

serrate

Answer 22

sharp toothed leaf