STEM Flashcards

1
Q

AERIAL PART of the plant where leaves and reproductive shoots are attached

A

STEM

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2
Q
  • provides MECHANICAL SUPPORT to the plant
  • exposes leaves for photosynthesis
  • positions the reproductive shoots for optimal access to pollinators
  • conducts water and minerals from roots to leaves
A

STEM

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3
Q

TYPES OF STEM

A

HERBACEOUS STEM
WOODY STEMS

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4
Q

a BUD at the tip of a stem responsible for TERMINAL GROWTH

A

TERMINAL BUD

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5
Q

BUDS ALONGSIDE THE AXIS OF A STEM; once they grow and form a stem they become terminal buds

A

AXILLARY BUD OR LATERAL BUD

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6
Q

a bud CONTAINING THE FLORAL MERISTEM which develops into flowers

A

FLOWER BUD

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7
Q

a SCAR marking the FORMER POINT OF ATTACHMENT of a leaf or petiole to the stem

A

LEAF SCAR

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8
Q

PART OF STEM MARKING POINT of attachment of leaves, buds, and other stems

A

NODE

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9
Q

the part of the stem BETWEEN the NODES

A

INTERNODE

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10
Q

ROUGH AREAS on stems where LOOSELY PACKED CELLS extend from the cortex through the ruptured epidermis; they function as BREATHING PORES for gas exchange

A

LENTICELS

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11
Q

bud scale scars from the LAST TERMINAL BUD. can be used to AGE STEMS

A

GROWTH RING

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12
Q

an UNDERDEVELOPED AND UNELONGATED STEM composed of a SHORT AXIS with COMPRESSED INTERNODES, a meristematic apex, and primordial leaves and/or flowers

A

BUD

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13
Q

the stem develops from the ____ of the germinating seed

A

PLUMULE

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14
Q

normally it is the AERIAL PART OF THE PLANT BODY. the stem with its branches, leaves, buds, flower, and appendages is known as

A

SHOOT SYSTEM

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15
Q

the stem shows the differentiation of ___ and ____

A

NODES AND INTERNODES

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16
Q

the place where the LEAF DEVELOPS ON THE STEM is called the ____

A

NODE

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17
Q

the portion of the stem BETWEEN TWO SUCCESSIVE NODES is called the ____

A

INTERNODE

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18
Q
  • located at the TIPS OF ROOTS AND SHOOTS
  • GIVE RISE to three primary meristems (protoderm, ground meristem, and procambium)
A

APICAL MERISTEMS

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19
Q

PRIMARY MERISTEMS

A

PROTODERM
GROUND MERISTEM
PROCAMBIUM

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20
Q

develops into GROUND TISSUES

A

GROUND EMRISTEM

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21
Q

develops into VASCULAR TISSUES

A

PROCAMBIUM

22
Q

develops into the DERMAL SYSTEM

23
Q

are cylindrical, SECONDARY EMRISTEMS in both stem and root that give rise to either VASCULAR TISSUE OR SECONDARY DERMAL TISSUES.

A

LATERAL MERISTEMS

24
Q

located between xylem and phloem; produces secondary xylem and phloem

A

VASCULAR CAMBIUM

25
located between phloem and bark; produces bark to reduce water loss and protects stem (in woody plants only)
CORK CAMBIUM / PHELLOGEN
26
produces PRIMARY xylem and phloem
PROCAMBIUM
27
growth that occurs during a FINITE JUVENILE PHASE, and then stops
DETERMINATE GROWTH
28
growth that occurs THROUGHTOUR THE LIFE of the organism
INDETERMINATE GROWTH
29
lives for about A YEAR, flowers and dies
ANNUAL PLANT
30
lives for MORE THAN ONE YEAR
PERENNIAL PLANT
31
GROWING POINT of the stem
BUD
32
single bud LOCATED AT THE APEX of the stem
TERMINAL BUD
33
protects and covers the bud
BUD SCALES
34
MARKS leaves on the stem from the PREVIOUS YEARS which serve as an EXTERNAL MEASURE OF ANNUAL GROWTH.
Terminal bud scale scars
35
occur in the LEAF AXILS on the SIDE OF A STEM
Lateral buds/Axillary buds
36
MARK that leaves on the stem after the LEAF FALLS DOWN
LEAF SCAR
37
pores that facilitate GAS EXCHANGE
LENTICELS
38
segment of stem where LEAVES AND LATERAL BUDS ARE ATTACHED.
NODE
39
section of a stem BETWEEN TWO NODES
INTERNODE
40
used in the IDENTIFICATION OF THE WOODY PLANTS and it is a mark left in the leaf scar from the VASCULAR TISSUE ATTACHMENT
BUNDLE SCAR
41
the OUTERMOST LAYER of the stem and usually functions to waterproof, protect and control gas exchange.
EPIDERMIS
42
lies BELOW THE EPIDERMIS, it consists of hypodermis, parenchyma cell, and endodermis
CORTEX
43
comprises of phloem and xylem.
VASCULAR BUNDLES
44
dense, multi-branched evergreen shrub
SANTAN / SCARLET JUNGLE FLAME Ixora coccinea Rubiaceae
45
SCIENTIFIC NAME: SANTAN / SCARLET JUNGLE FLAME
Ixora coccinea
46
FAMILY NAME: SANTAN
RUBIACEAE
47
COMMON NAME: Ixora coccinea
SANTAN / SCARLET JUNGLE FLAME
48
thin, soft and GREEN IN COLOR except those that grow underground; herbs
HERBACEOUS STEMS
49
Plants with herbaceous stems are also known as
HERBS
50
TALLER, THICKER, and harder than herbaceous stems
WOODY STEMS