Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

SYSTEMATICS > LEAF > Flashcards

LEAF Flashcards

1
Q

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

A

pinnately compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

palmately compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Lamina is long and narrow

A

linear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

lanceolate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

oblanceolate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

elliptical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

oblong

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

obovate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Lamina is more or less circular

A

rotund

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Lamina is heart-shaped

A

cordate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Lamina is inversely heart-shaped

A

obcordate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

reniform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Blade is broadest beyond the middle
and tapen straight down

A

cuneate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Lamina is broadly cuneate

A

deltoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

sagittate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Lamina is curved sideways

A

falcate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Right and the left halves of the blade are not symmetrical

A

oblique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

Pinnatifid or pinnatisect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

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

A

lyrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Lamina is needle-shaped, long, narrow and cylindrical

A

acicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Lamina is strap-shaped

A

lorate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Margin is even and smooth

A

entire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

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

A

serrate

24
Q

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

A

dentate

25
Q

Margin with rounded and forwardly printing teeth.

A

cenate

26
Q

Wavy margin

A

undulate or sinuate

27
Q

Margin provided with spines

A

spiny

28
Q

Margin with sticky glandular hairs

A

glandular

29
Q

Margin bearing fine cilia-like projecting hairs

A

ciliate

30
Q

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.

A

fid

31
Q

Margin with cuts which extend nearly to the midrib

A

sectile

32
Q

Leaf tip is sharply ending and abruptly pointed.

A

acute

33
Q

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

A

acuminate

34
Q

Blunt or rounded leaf apex

A

obtuse

35
Q

Leaf tip ends in a long, rigid and spiny point

A

cuspidate

36
Q

Rounded apex, terminating abruptly in a short and sharp point

A

mucronate

37
Q

Bluntly rounded apex, with a shallow central notch

A

retuse

38
Q

Leaf tip with a deep notch or depression at the tip

A

emarginate

39
Q

Smooth and shiny surface -

A

glabrous

40
Q

Surface is covered with short and soft hairs,

A

pubescent

41
Q

Surface is thickly covered with soft and long hairs.

A

villous

42
Q

Rough surface with short and stiff hairs

A

scabrous

43
Q

Surface is completely covered with matted hairs

A

tomentose

44
Q

Surface is covered with sticky and
glandular hairs

A

glandular

45
Q

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

A

gland dotted

46
Q

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

A

srigose

47
Q

Leaf surface with a silken sheen and
provided with silky hairs

A

sericeous

48
Q

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

A

alternate

49
Q

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

A

opposite

50
Q

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

A

whorled

51
Q

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

A

tendrils

52
Q

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

A

leaf hooks

53
Q

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

A

leaf spines

54
Q

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

A

leaf scales

55
Q

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

A

pitcher

56
Q

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

A

phyllode

SYSTEMATICS (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions