LEAF

Question 1

leaves in which the tertiary rachi undergo further branching so that the leaves pinnate more than thrice.

Answer 1

pinnately compound

Question 2

leaves are the leaves in which leaflets radiate from the tip of the rachis, just like the fingers on palm.

Answer 2

palmately compound

Question 3

Lamina is long and narrow

Answer 3

linear

Question 4

Lamina is lance-shaped, long and tapering at the ends, but broadest near the stalk

Answer 4

lanceolate

Question 5

Lamina is lanceolate, but its broadest part is near the apex

Answer 5

oblanceolate

Question 6

Lamina is tapering at ends, but broad in the middle, just in the form of an ellipse

Answer 6

elliptical

Question 7

Lamina is two or three times as long as it is broad, with its side or less parallel and the ends rounded

Answer 7

oblong

Question 8

Lamina is inversely ovate, with the broader part near the apex

Answer 8

obovate

Question 9

Lamina is more or less circular

Answer 9

rotund

Question 10

Lamina is heart-shaped

Answer 10

cordate

Question 11

Lamina is inversely heart-shaped

Answer 11

obcordate

Question 12

Lamina is kidney-shaped, with a broad shallow depression at the base

Answer 12

reniform

Question 13

Blade is broadest beyond the middle
and tapen straight down

Answer 13

cuneate

Question 14

Lamina is broadly cuneate

Answer 14

deltoid

Question 15

Lamina is shaped like an arrow head, with two sharp and straight lobes at the base

Answer 15

sagittate

Question 16

Lamina is curved sideways

Answer 16

falcate

Question 17

Right and the left halves of the blade are not symmetrical

Answer 17

oblique

Question 18

Lamina is cut about half-way towards
the mid-rib he into a number of pinnately arranged lobes.

Answer 18

Pinnatifid or pinnatisect

Question 19

Lyre-shaped and pinnatifid lamina, with a much enlarger terminal lobe and smaller lateral lobes

Answer 19

lyrate

Question 20

Lamina is needle-shaped, long, narrow and cylindrical

Answer 20

acicular

Question 21

Lamina is strap-shaped

Answer 21

lorate

Question 22

Margin is even and smooth

Answer 22

entire

Question 23

Toothed and sow-like margin, with pointed and upwardly projecting teeth

Answer 23

serrate

Question 24

Toothed margin, armed with numerous sharply pointed, triangular and outwardly pointing teeth

Answer 24

dentate

Question 25

Margin with rounded and forwardly printing teeth.

Answer 25

cenate

Question 26

Wavy margin

Answer 26

undulate or sinuate

Question 27

Margin provided with spines

Answer 27

spiny

Question 28

Margin with sticky glandular hairs

Answer 28

glandular

Question 29

Margin bearing fine cilia-like projecting hairs

Answer 29

ciliate

Question 30

Broken margin with numerous clefts which extend half-way from the margin to the midrib, dividing the lamina into a number of segments or lobes.

Answer 30

fid

Question 31

Margin with cuts which extend nearly to the midrib

Answer 31

sectile

Question 32

Leaf tip is sharply ending and abruptly pointed.

Answer 32

acute

Question 33

Leaf apex progressively narrows to a long and slender tail and ultimately ends in a point.

Answer 33

acuminate

Question 34

Blunt or rounded leaf apex

Answer 34

obtuse

Question 35

Leaf tip ends in a long, rigid and spiny point

Answer 35

cuspidate

Question 36

Rounded apex, terminating abruptly in a short and sharp point

Answer 36

mucronate

Question 37

Bluntly rounded apex, with a shallow central notch

Answer 37

retuse

Question 38

Leaf tip with a deep notch or depression at the tip

Answer 38

emarginate

Question 39

Smooth and shiny surface -

Answer 39

glabrous

Question 40

Surface is covered with short and soft hairs,

Answer 40

pubescent

Question 41

Surface is thickly covered with soft and long hairs.

Answer 41

villous

Question 42

Rough surface with short and stiff hairs

Answer 42

scabrous

Question 43

Surface is completely covered with matted hairs

Answer 43

tomentose

Question 44

Surface is covered with sticky and glandular hairs

Answer 44

glandular

Question 45

Surface with a number of translucent spots which become very clear when the lamina is held against light

Answer 45

gland dotted

Question 46

Leaf surface bears sharp, stiff, straight and often basally swollen hairs, all pointing in the same direction.

Answer 46

srigose

Question 47

Leaf surface with a silken sheen and provided with silky hairs

Answer 47

sericeous

Question 48

This is the leaf arrangement in which leaves are arranged on alternate nodes, with only a single leaf on each node.

Answer 48

alternate

Question 49

leaf arrangement in which a pair of leaves are arranged oppositely on each node.

Answer 49

opposite

Question 50

This is the leaf arrangement in which three or more leaves arise from each node in the form of a whorl

Answer 50

whorled

Question 51

These are long, spirally coiled and spring-like leaves.

Answer 51

tendrils

Question 52

hook-like modifications of the terminal leaflets of the compound leaves of some weak-stemmed plants for clinging and climbing on a solid support.

Answer 52

leaf hooks

Question 53

are sharply pointed structures. They are characteristic of xerophytic plants, such as cacti

Answer 53

leaf spines

Question 54

thin, stalkless and membranous structures which protect the axillary buds located in their axils.

Answer 54

leaf scales

Question 55

a flask-shaped modification of the leaf lamina for trapping insects. It is found in some insectivorous plants

Answer 55

pitcher

Question 56

flat, leaf-like and photosynthetic modification of the petiole or rachis.

Answer 56

phyllode