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Vegetative Terminology > Vegetative Terminology > Flashcards

Vegetative Terminology Flashcards

1
Q

Abaxial

A

the side away from the axis

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2
Q

Acuminate

A

gradually tapering to a sharp point and forming concave sides along the tip

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3
Q

Acute

A

tapering to a pointed apex with more or less straight lines

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4
Q

Adaxial

A

the side towards the axis

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5
Q

Adventitious

A

structures or organs developing in an unusual position, as roots originating on the stem

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6
Q

Aerial Roots

A

roots occurring above ground or water

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7
Q

Alternate Leaf Arrangment

A

leaves borne singly at each node

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8
Q

Apical Meristem

A

undifferentiated, actively dividing tissues growing at the tips of shoots and roots

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9
Q

Axil

A

the point of the upper angle formed between the axis of a steam and any part (usually a leaf) arising from it

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10
Q

Blade

A

the board part of a leaf or petal

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11
Q

Bud

A

undeveloped shoot or flower

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12
Q

Bulb

A

an underground bud with thickened fleshy scales, as in the onion

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13
Q

Caudex

A

the persistent often wody base of a herbaceous perennial

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14
Q

Cladode

A

under cladophyll, a steam with the form and function of a leaf

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15
Q

Compound Leafe

A

a leaf separated into two or more distinct leaflets

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16
Q

Cordate

A

heart-shaped, with the notch at the base

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17
Q

Corm

A

a short, solid vertical underground stem with thin papery leaves

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18
Q

Dentate

A

toothed along the margin, the teeth directed outward rather than forward

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19
Q

Elliptical

A

in the shape of an ellipse, or a narrow oval; broadest at the middle and narrower at the two equal ends

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20
Q

Entire

A

not toothed, notched, or divided, as in the continuous margins of some leaves

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21
Q

Fibrous Roots

A

a root system with all of the branches approximately equal thickness, as in the grasses and many monocots

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22
Q

Glabrous

A

smooth; hairless

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23
Q

Herb

A

a plant without a persistent above-ground woody stem, stems dying backing to the ground at the end of the growing season

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24
Q

Internode

A

the portion of the steam between two nodes

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25
Q

Lanceolate

A

lance-shaped; much longer than wide, with the widest point below the middle

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26
Q

Leaf

A

an expanded, usually photosynthetic organ of a plant

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27
Q

Leaf scar

A

the scar remaining on a twig after a leaf falls

28
Q

Lenticels

A

a slightly raised, somewhat corky, often lens shaped area on the surface of a young stem (or older stem)

29
Q

Linear

A

resembling a line; long and narrow with more or less parallel sides

30
Q

Lobed

A

bearing lobes which are cut less than halfway to the base or midvein

31
Q

Margin

A

the edge, as in the edge of a leaf blade

32
Q

Midvein

A

the central vein

33
Q

Mucronate

A

tipped with a short, sharp, abrupt point

34
Q

Net-veined

A

in the form of a network; reticulate

35
Q

Node

A

the position in the stem where leaves or branches originate

36
Q

Obcordate

A

with a deeply notched apex

37
Q

Oblanceolate

A

inversely lanceolate, with the attachment at the narrower end

38
Q

Obovate

A

inversely ovate, with the attachment at the narrower end

39
Q

Obtuse

A

blunt or rounded at the apex

40
Q

Opposite Leaf Arrangement

A

leaves borne across from one another at the same node, in pairs

41
Q

Oval

A

broadly elliptic, the width over one-half the length

42
Q

Ovate

A

egg shaped in outline and attached at the broad end

43
Q

Parallel-veined

A

with the main veins parallel to the leaf axis or to each other

44
Q

Petiole

A

a leaf stalk

45
Q

Prop Roots

A

adventitious roots arising from lower nodes and providing support to a stem

46
Q

Pubescent

A

bearing any kind of hairs

47
Q

Rhizome

A

a horizontal underground stem

48
Q

Root

A

the portion of the plant axis lacking nodes and leaves and usually found below ground

49
Q

Seed

A

a ripened ovule

50
Q

Serrate

A

saw like; toothed along the margin, the sharp teeth pointing forward

51
Q

Shoot

A

a young stem or branch

52
Q

Shrub

A

a woody plant, with several stems, that is shorter than a typical tree

53
Q

Simple

A

undivided, as a leaf blade which is not separate into leaflets

54
Q

Stipule

A

one of a pair of leaflike appendages found at the base of the petiole in some leaves

55
Q

Stolon

A

an elongate, horizontal stem creeping along the ground and tooing at the nodes or at the tip and giving rise to a new plant

56
Q

Taproot

A

the main root axis from which smaller root branches arise; as in most dicots

57
Q

Thorn

A

a stiff, woody, modified stem with a sharp point

58
Q

Tree

A

a large woody plant, usually with a single main stem or trunk

59
Q

Truncate

A

with the apex squared at the end as if cut off

60
Q

Tuber (root)

A

thickened root modified for food storage

61
Q

Tuber (stem)

A

the thickened portion of a rhizome bearing nodes and buds; an underground stem modified for food storage

62
Q

Vascular Bundle Scars

A

the scar from a cluster or group of vascular tissues (under vascular bundle in Harris & Harris, no mention of scar)

63
Q

Venation

A

the pattern of veining on a leaf

64
Q

Whorled

A

leaves borne three or more at the same node

65
Q

Sessile

A

attached directly without a supporting stalk, as a leaf without a petiole

Vegetative Terminology (1 decks)

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