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BOTANY LAB > STEM > Flashcards

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

A

PROTODERM

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
Q

located between phloem and bark; produces bark to reduce water loss and protects stem (in woody plants only)

A

CORK CAMBIUM / PHELLOGEN

26
Q

produces PRIMARY xylem and phloem

A

PROCAMBIUM

27
Q

growth that occurs during a FINITE JUVENILE PHASE, and then stops

A

DETERMINATE GROWTH

28
Q

growth that occurs THROUGHTOUR THE LIFE of the organism

A

INDETERMINATE GROWTH

29
Q

lives for about A YEAR, flowers and dies

A

ANNUAL PLANT

30
Q

lives for MORE THAN ONE YEAR

A

PERENNIAL PLANT

31
Q

GROWING POINT of the stem

A

BUD

32
Q

single bud LOCATED AT THE APEX of the stem

A

TERMINAL BUD

33
Q

protects and covers the bud

A

BUD SCALES

34
Q

MARKS leaves on the stem from the PREVIOUS YEARS which serve as an EXTERNAL MEASURE OF ANNUAL GROWTH.

A

Terminal bud scale scars

35
Q

occur in the LEAF AXILS on the SIDE OF A STEM

A

Lateral buds/Axillary buds

36
Q

MARK that leaves on the stem after the LEAF FALLS DOWN

A

LEAF SCAR

37
Q

pores that facilitate GAS EXCHANGE

A

LENTICELS

38
Q

segment of stem where LEAVES AND LATERAL BUDS ARE ATTACHED.

A

NODE

39
Q

section of a stem BETWEEN TWO NODES

A

INTERNODE

40
Q

used in the IDENTIFICATION OF THE WOODY PLANTS and it is a mark left in the leaf scar from the VASCULAR TISSUE ATTACHMENT

A

BUNDLE SCAR

41
Q

the OUTERMOST LAYER of the stem and usually
functions to waterproof, protect and control gas exchange.

A

EPIDERMIS

42
Q

lies BELOW THE EPIDERMIS, it consists of hypodermis, parenchyma cell, and endodermis

A

CORTEX

43
Q

comprises of phloem and xylem.

A

VASCULAR BUNDLES

44
Q

dense, multi-branched
evergreen shrub

A

SANTAN / SCARLET JUNGLE FLAME
Ixora coccinea
Rubiaceae

45
Q

SCIENTIFIC NAME:
SANTAN / SCARLET JUNGLE FLAME

A

Ixora coccinea

46
Q

FAMILY NAME:
SANTAN

A

RUBIACEAE

47
Q

COMMON NAME:
Ixora coccinea

A

SANTAN / SCARLET JUNGLE FLAME

48
Q

thin, soft and GREEN IN COLOR except those that grow underground; herbs

A

HERBACEOUS STEMS

49
Q

Plants with herbaceous stems are also known as

A

HERBS

50
Q

TALLER, THICKER, and harder than herbaceous stems

A

WOODY STEMS

BOTANY LAB (12 decks)

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