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leaf identify > shape margin > Flashcards

shape margin Flashcards

1
Q

Long and very narrow like a blade of grass

A

Linear

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2
Q

Having an elongated form with slightly parallel sides, roughly rectangular.

A

Oblong

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3
Q

Long, wider in the middle, shaped like a lance tip.

A

Lanceolate

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4
Q

Much longer than wide and with the widest portion near the tip, reversed lanceolate.

A

Oblanceolate

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5
Q

Awl-shaped with a tapering point

A

Subulate

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6
Q

Spoon-shaped; having a broad flat end which tapers to the base

A

Spathulate

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7
Q

Oval, egg-shaped, with a tapering point and the widest portion near the petiole.

A

Ovate

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8
Q

Teardrop-shaped, stem attaches to the tapering end; reversed ovate.

A

obovate

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9
Q

Oval, with a short or no point.

A

Elliptical

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10
Q

Diamond-shaped.

A

Rhomboid

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11
Q

Shaped like Greek letter Delta, triangular, stem attaches to side

A

Deltoid

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12
Q

Circular.

A

Orbicular

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13
Q

Shaped like a kidney: an oval with an inward curve on one side.

A

Reniform

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14
Q

Heart-shaped, with the petiole or stem attached to the notch.

A

Cordate

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15
Q

Heart-shaped, stem attaches at the tapering end.

A

Obcordate

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16
Q

Slender and pointed, needle-like

A

Acicular

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17
Q

Sickle-shaped.

A

Falcate

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18
Q

Shaped like a lyre, pinnately lobed leaf with an enlarged terminal lobe and smaller lateral lobes.

A

Lyrate

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19
Q

Having lobes with incisions that extend less than half-way toward the midrib.

A

Pinnatifid

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20
Q

Having lobes with incisions that extend almost, or up to midrib.

A

Pinnatisect

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21
Q

Having lobes with incisions that extend almost up, but not quite to the petiole.

A

Palmatisect

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22
Q

Palm-shaped, having lobes with incisions that extend less than half-way toward the petiole

A

Palmatifid

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23
Q

Shaped like a sword, long and narrow with a sharp pointed tip.

A

Ensiform

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24
Q

Triangular, wedge-shaped, stem attaches to point.

A

Cuneate

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25
Q

With an odd number of leaflets, pinnate with a terminal leaflet (the opposite of paripinnate)

A

Imparipinnate

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26
Q

Pinnate with an even number of leaflets, lacking a terminal leaflet (the opposite of imparipinnate)

A

paripinnate

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27
Q

The leaflets are themselves pinnately-compound; twice pinnate

A

Bipinnate

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28
Q

Pinnately compound in which each leaflet is itself bipinnate

A

Tripinnate

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29
Q

With three leaflets

A

Trifoliolate

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30
Q

Consisting of leaflets all radiating from one point

A

Palmate (degitate)

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31
Q

Pointed, having a short sharp apex angled less than 90°.

A

Acute

32
Q

Tapering to a long point in a concave manner.

A

Acuminate

33
Q

Ending in a stiff, bristle-like point.

A

Aristate

34
Q

Ending abruptly in a small sharp point as a continuation of the midrib.

A

Mucronate

35
Q

With a sharp, elongated, rigid tip; tipped with a cusp.

A

Cuspidate

36
Q

Blunt, forming an angle > 90°.

A

Obtuse

37
Q

Slightly indented at the tip

A

Emarginate

38
Q

With a squared-off end

A

Truncate

39
Q

With a shallow notch in a round apex.

A

Retuse

40
Q

Arrowhead-shaped with the lower lobes folded, or curled downward

A

Sagittate

41
Q

Spear-shaped: Pointed, with barbs, shaped like a spear point, with flaring pointed lobes at the base.

A

Hastate

42
Q

With the leaf blade surrounding the stem such that the stem appears to pass through the leaf.

A

Perfoliate

43
Q

Having leaf tissue taper down the petiole to a narrow base, always having some leaf material on each side of the petiole.

A

Attenuate

44
Q

Asymmetrical leaf base, with one side lower than the other

A

Oblique

45
Q

Having ear-shaped appendages near the petiole.

A

Auriculate

46
Q

Even; with a smooth margin; without toothing

A

Entire

47
Q

Fringed with hairs

A

Ciliate

48
Q

Wavy-toothed; dentate with rounded teeth

A

crenate

49
Q

Finely crenate

A

Crenulate

50
Q

Toothed. May be coarsely dentate, having large teeth, or glandular dentate, having teeth which bear glands

A

Dentate

51
Q

Finely toothed

A

Denticulate

52
Q

Saw-toothed; with asymmetrical teeth pointing forward

A

serrate

53
Q

Finely serrate

A

Serrulate

54
Q

With deep, wave-like indentations; coarsely crenate

A

Sinuate

55
Q

Each tooth bearing smaller teeth

A

Biserrate

56
Q

With a wavy edge, shallower than sinuate

A

Undulate

57
Q

Leaf contains oils that make it smell, not necessarily pleasant

A

Aromatic

58
Q

same colour both sides ( indicates the leaf is isobilateral)

A

Concolorous

59
Q

Having a tough, leathery texture

A

Coriaceous

60
Q

small structure on the lower surface of a leaf in some woody dicotyledons, located in the axils of the primary veins and usually consisting of depressions partly enclosed by leaf tissue or hairs

A

Domatia

61
Q

one side of the leaf is a different colour to the other side. (indicates leaf is dorsiventral)

A

Discolorous

62
Q

Smooth, without hairs

A

Glabrous

63
Q

blue green to grey green

A

Glaucous

64
Q

covered by coarse and stiff hairs

A

Hirsute

65
Q

covered with stiff bristle like hairs

A

Hispid

66
Q

glossy, gleaming bright

A

Lustrous

67
Q

downy, having short, soft hairs

A

Pubesent

68
Q

of brownish-red colour, applied mainly to hairs and brstles

A

Rufous

69
Q

having a wrinkled surface

A

Rugose

70
Q

a surface roughened by minute protuberances

A

Scabrous

71
Q

hard leaves,usually with an abundance of sclerenchyma. eg. Eucalyptus spp.

A

Sclerophyllous

72
Q

covered with small, dry scales

A

Scurfy

73
Q

with short stiff hairs lying closely and in one direction

A

Strigose

74
Q

short dense hairs usually matted together to form a felt like surface

A

Tomentose

75
Q

leaves with more than one colour present

A

Variegated

76
Q

having long, soft hairs

A

Villous

leaf identify (1 decks)

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