Brainscape's Knowledge GenomeTM

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


See full index

BOTAX > Leaves > Flashcards

Leaves Flashcards

1
Q

Chlorenchyma, flat thin leaf

A

Photosynthesis

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

process by which plant
loses water to serve the following purposes:
a. Continuous uptake of water
b. Cooling effects
c. Controls degree of saturation of
cell with water

A

Transpiration

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

Uses of Leaves

A

Insecticides
Waxes
Aromatic Oils
Medical uses

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

Rotenone
Citronella

A

Insecticides

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

Citronella sn

A

Cimbopogon citratus

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

Carnauba

A

Waxes

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

Carnauba sn

A

Copernicia prunifera

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

Aloe (Mild Topical Anesthetic)

A

Medical uses

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

Economic uses of Leaves

A

Food
Herbs
Beverages
Drug uses

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

The ______________are among the most nutritious of foods

A

leafy greens

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

The _________ is a popular herb family

A

mint family

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

Teas

A

Beverages

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

Tobacco
Marijuana
Cocaine

A

Drug uses

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

Cocaine sn

A

Erothroxylum coca

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

Warfarin

A

Anti-coagolant

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

ginkgo

A

Anticoagulant

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

duhat

A

Antibacterial

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

Duhat sn

A

Syzygium cumini

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

marigold

A

Antifungal

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

marigold sn

A

Tagetes erecta

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

flat, light harvesting portion

A

Lamina/ leaf blade

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

holds blade out into the light

A

Petiole/stalk

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

with petiole

A

Petiolate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

without petiole

A

Sessile/ Exstipulate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Monocot _________ and_________

A

leaf sheath, ligules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Dicot leaf with ___________ ( protect shoot apical meristem while leaf is young)

A

stipules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

bundles of vascular tissue; distribute water from stem into leaf & collect sugar produced and carry them to the stem

A

Veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

leaf edge

A

Margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

outer end of leaf lamina; opposite the petiole

A

Apex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Leaf Classification

A
  1. Nature of the blade
  2. Phyllotaxy
  3. Venation pattern
  4. Leaf margin
  5. Leaf apex
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Nature of the blade

A

a. Simple
b. Compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

with one blade only

A

Simple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

with a blade divided into leaflets or pinnae or pinnule

A

Compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Compound leaf

A

Palmately
Pinnately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Shapes

A

Lanceolate
Oval
Cordate (heart-shaped)
Triangular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Leaflets attach individual to rachis by petiolule

A

Pinnately compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Leaflets attach to same petiole

A

Palmately compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Simple Pinnately compound

A

Even pinnate
Odd pinnate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

ex. of even pinnate

A

Ceratonia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

ex. of odd pinnate

A

Robinia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

ex. of Bipinnately Compound Leaf

A

Albizzia, Acacia, & Jacaranda

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Primary leaflet

A

Compound leaflet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Secondary leaflet

A

Pinnule or pinnula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

a compound leaf having three order of rachises:
primary rachis
secondary rachis
tertiary rachis

A

Tripinnately Compound Leaf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

leaflets are attached to the end of the petiole

A

Palmately compound leaves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Types of palmately compound leaves

A

a. Bifoliate
b. Trifoliate
c. Quadri/tetrafoliate
d. Pentafoliate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

two leaflets

A

Bifoliate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

three leaflets

A

Trifoliate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

four leaflets

A

Quadri/tetrafoliate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

with 5 or more leaflets

A

Pentafoliate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

ex. of pinnately trifoliate

A

Toxicondendron (poison oak)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

ex. of palmately trifoliate

A

Rhus trilobata (basket bush)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

arrangement of leaves on the stem

A

Phyllotaxy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Types of Phyllotaxy

A

Alternate
Spiral or helical (variation of alternate)
Decussate (variation of opposite)
Opposite
Whorled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

One leaf per node

A

Alternate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Two leaves opposite at one node

A

Opposite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Three or more leaves around a node

A

Whorled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

arrangement of veins on the blade

A

Venation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Netted venation

A

Dicot

60
Q

Parallel venation

A

Monocot

61
Q

Types of parallel venation

A

Parallel to the midrib
Palmately parallel
Acute angle to the midrib
Perpendicular to the midrib

62
Q

Three types of netted venation pattern

A

Pinnately netted
Radiately netted
Palmately netted

63
Q

Veins arise from the midrib

A

Pinnately netted

64
Q

Principal veins arise from the center of the blade

A

Radiately netted

65
Q

Principal veins arise from the base of the blade

A

Palmately netted

66
Q

leaf edge

A

Margin

67
Q

the tip or protruding part of the leaf.

A

Leaf apex

68
Q

The apex is narrow and pointed
ex. Mango

A

Acute

69
Q

The apex is rounded.
Ex. Banyan

A

Obtuse

70
Q

The apex is drawn out into a long tapering tail.
Ex. Ficus religiosa

A

Acuminate

71
Q

Round apex with sharp pointed tip.
Ex. Vinca

A

Mucronate

72
Q

The apex is spinous.
Ex. Date palm

A

Cuspidate

73
Q

The apex form a tendril.
Ex. Gloriosa

A

Tendrillar

74
Q

The mucronate like apex ends with one thread like structure.
Ex. Banana

A

Cirrhose

75
Q

The shape is abruptly cut across.
Ex. Paris polyphylla

A

Truncate

76
Q

The obtuse apex is slightly notched.
Ex. Pistia

A

Retuse

77
Q

The obtuse apex is deeply notched.
Ex. Baukinia, Oxalis

A

Emarginate

78
Q

— with cutin
— flat epidermal cells, with guard cells, trichomes
— high # stomata in lower epidermis
— trichomes (glandular or non- glandular) - prevents rapid air movement, prevent water loss, fr somata; protection

A

Epidermis

79
Q

kidney-shaped, chlorophyllous epidermal cells

A

Guard cells

80
Q

areas where epidermis is depressed into the leaf; filled w/ trichomes & stomata, at lower surface of leaf, decrease air movement near stomata

A

Stomatal crypts

81
Q

Ground tissues interior to the leaf epidermis

A

Mesophyll

82
Q

Parts of Mesophyll

A

— Palisade parenchyma
— Spongy mesophyll

83
Q

— Uppermost, main photosynthetic tissue
— 1 layer thick, cells are separated, inc exposure to CO2

A

Palisade parenchyma

84
Q

Open, loose aerenchyma, permits CO2 to diffuse rapidly fr stomata into all parts of leaf

A

Spongy mesophyll

85
Q

Between palisade and spongy mesophyll

A

Vascular Tissue

86
Q

Large midrib (midvein) from w/c lateral veins emerge (both contains 1* xylem on upper side & 1* phloem on lower side)

A

Dicot

87
Q

Important in releasing water from xylem and loading sugar into phloem

A

Minor veins

88
Q

fibers arranged as a sheath around the vascular tissue

A

Bundle sheath

89
Q

mass of fibers above or below (or both) the veins

A

Bundle sheath extension

90
Q

gives rigidity and additional means by which water moves from the bundle out to the mesophyll.

A

Fibers

91
Q

Serves as transition between the stem and the leaf blade

A

Petiole

92
Q

similar to that on the lamina but often contains fewer stomata and trichomes

A

Epidermis

93
Q

may bears two small flaps of tissue at its base called

A

stipules

94
Q

vascular bundles w/c exit the stem and diverge to the petiole

A

Leaf traces

95
Q

detachment area of leaves from the stem; releases enzymes w/c weaken their walls

A

Abscission zone

96
Q

leaf aging due to breakdown of chlorophyll, sugars and loss of photosynthetic ability

A

Senescence

97
Q

protective scar tissue across wound after leaf fall

A

Leaf scar

98
Q

— thick and fleshy, reduced surface ratio
— with water storage parenchyma
— mesophyll have few intercellular spaces = decrease evaporate surface area = transparent
Ex. Crassulaceae, Portulacaceae, Aizoaceae; kataka-taka, Aloe Vera

A

Succulent Leaves

99
Q

spherical succulent leaves

A

Senecio

100
Q

pair of succulent leaves

A

Dinteranthus

101
Q

pair of translucent leaves acting as optical fiber, allows light to enter, even leaves are under ground

A

Lithops

102
Q

mesophyll have few intercellular spaces =

A

decrease evaporate surface area = transparent

103
Q

— Thick sclerenchyma = resistant to animals, fungi, freezing temp and UV
— Very thick cuticle
— Lives for 2 or more years

A

Sclerophyllous Foliage

104
Q

resistant to animals, fungi, freezing temp and UV

A

Thick sclerenchyma

105
Q

leaves

A

Sclerophylls

106
Q

Example of Sclerophyllous Foliage

A

Agave
Yucca
Barberry

107
Q

— Contains cells that can other objects
— side facing the object stop growing, then, the other side elongate- coil
— no lamina
— support
— ex. Watermelon, melon, squash

A

Tendrils

108
Q

Pea plant
Squash plant

A

Tendrils

109
Q

digest insects and obtain nitrogen for their amino acid and nucleotides

A

Insect Traps

110
Q

incapable of movement
(ex. Pitcher plant that has tubular lamina that secretes water digestive fluid)

A

Passive trap

111
Q

leaf blade curl (ex. Sundew that has glandular trichomes that secretes a sticky digestive fluid) or close (ex. Venus flytrap that has motor cells, margins with interdigitating teeth and short glands that secrete digestive fluid)

A

Active trap

112
Q

Example of Insect Traps

A

Nepenthes
Drosera
Dionaea muscipula

113
Q

pitcher plant

A

Nepenthes

114
Q

Sundew

A

Drosera

115
Q

Venus’ flytrap

A

Dionaea muscipula

116
Q

— leaves are sclerophylls
— extremely thick cuticle and the cells of epidermis have thick walls
— forms:
* Needles- occur in all pines, firs, and spruces
* Scale-like - Agathis, Araucaria, and Podocarpus

A

Leaves of Conifers

117
Q

occur in all pines, firs, and spruces

A

Needles

118
Q

Agathis,
Araucaria, and
Podocarpus

A

Scale - like

119
Q

Needles of lodgepole pine

A

Pinus contorta

120
Q

Scale-like leaves of incense cedar

A

Libocedrus

121
Q

— One of the most common modification of leaves
— Forms to protect dormant shoot apical meristems by forming a tight layer around the stem tip
— small and rarely compound
— petiole is either short or absent
— frequently produce a thin layer of corky bark

A

Bud Scales

122
Q

Forms to _______________ by forming a tight layer around the stem tip

A

protect dormant shoot apical meristems

123
Q

— Protection against herbivores
— No blade and needle
— No mesophyll parenchyma nor vascular tissue
— Mesophyll consists of closely packed fibers
— Fibers, once mature, deposit lignin in their
walls = hard and resistant to decay
— Photosynthesis happens in stem cortex

A

Spines

124
Q

spines are axillary buds of small leaves

A

Cactus

125
Q

spines are stipules

A

Colitis

126
Q

produce plantlets

A

Adventitious Buds/ Reproductive Leaves

127
Q

with plantlets along the leaf margin

A

Kalanchoe

128
Q

reproduce by leaf cutting

A

Sansiviera

129
Q

for attraction

A

Colored Leaves

130
Q

Example of Colored Leaves

A

Poinsettia
Mussaenda
Bougainvillea
Anthurium

131
Q

colored spathe

A

Anthurium

132
Q

Aerenchymatous leaf base for buoyancy and support

A

Floats

133
Q

aerenchymatous enlarged leaf base

A

Water hyacinth

134
Q

— Supporting leaf bases
— for support

A

Pseudotrunks

135
Q

Ex. Of Pseudotrunks

A

Banana

136
Q

Banana sn

A

Musa acuminata

137
Q

display “thigmonasty” or sensitivity to touch for protection

A

Motile Leaves

138
Q

tropic response to touch

A

Thigmotropic response

139
Q

Ex. Of Motile Leaves

A

Makahiya

140
Q

for added photosynthesis

A

Expanded leaf-like petiole or stipule

141
Q

Ex. Of Expanded leaf-like petiole or stipule

A

Suha leaf
Rose leaf

142
Q

Pomelo sn

A

Citrus maxima

143
Q

Calamansi sn

A

Citrus microcarpa

144
Q

Lemon sn

A

Citrus limon

145
Q

prevents rapid air movement, prevents water loss fr stomata; protection

A

Trichomes (glandular or non- glandular)

BOTAX (13 decks)

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