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Plant Bio > Lab Vocab > Flashcards

Lab Vocab Flashcards

(90 cards)

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1
Q

Alternate

A

Borne singly along a stem, not opposite

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2
Q

Annual

A

Completing the full cycle of germination to fruiting within a single year and then dying

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3
Q

Axil

A

The angle between one part of a plant and another part, e.g. a branch and a leaf

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4
Q

Basal

A

Arising from or positioned at the base

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5
Q

Beak

A

A prominent terminal projection, especially of a carpel or fruit

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6
Q

Biennial

A

Completing the full cycle of germination to fruiting in more than one, but not more than two years, and then dying

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7
Q

Blade

A

Part of the leaf above the sheath or petiole

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8
Q

Bloom

A

Whitish waxy or powdery coating easily rubbed off

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9
Q

Bract

A

A leaf-like structure, usually different in form from the foliage leaves, associated with an inflorescence or flower

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10
Q

Bulbet

A

A small bulb, especially one growing in a flower cluster

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11
Q

Calyx

A

The outermost floral whorl usually consisting of sepals or a calyx tube and calyx lobes

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12
Q

Capsule

A

A dry fruit formed from two or more united carpels and dehiscing at maturity to release the seeds

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13
Q

Clasping

A

Partially surrounding the stem

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14
Q

Cleft

A

Deeply cut

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15
Q

Corolla

A

The floral whorl inside the calyx, usually consisting of petals or a corolla tube and corolla lobes

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16
Q

Corymb

A

An inflorescence, usually a raceme, in which the flowers, through unequal pedicels, are in one horizontal plane

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17
Q

Creeping

A

Running along the ground and rooting as it goes

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18
Q

Crested

A

Bearing ridges or projections on the surface

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19
Q

Cyme

A

An inflorescence in which each flower, in turn, is formed at the tip of a growing axis, further flowers being formed on branches arising below

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20
Q

Disk

A

The usually disc shaped receptacle of the head in Asteraceae. In composite flowers like Daisy, the central part of the flower head made up of tiny, tubular flowers

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21
Q

Divided (leaf)

A

Cleft to, or almost to, the base or the midrib

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22
Q

Downy

A

Covered with very fine soft hairs

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23
Q

Egg shaped

A

Broader at one end than the other

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24
Q

Elliptical

A

Broadest in the middle and tapering towards the edges

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25
Entire (leaf)
Margin unbroken by teeth
26
Family
Group of related plants
27
Filament
Anther bearing stalk of the stamen
28
Fine-hairy
Covered with fine hairs
29
Genus
A group of closely related species
30
Glands
A secretory structure, e.g. a nectary, extra-floral nectary or a gland tipped, hair-like or wart-like organ
31
Globular
A 3-dimensional shape; spherical or orbicular; circular in outline
32
Halberd-shaped
Arrow shaped, but with lobes at the base of the leaf pointing outward
33
Head
A group of flowers joined together in a short, dense terminal cluster, as in the clovers and the members of the Composite family
34
Indistinguishable
Flowers with no visible petal like parts or parts so small that it is difficult to make out number or arrangement
35
Inflorescence
Flowering part of the plant
36
Introduced
Not native to the region
37
Involucre
Circle of bracts below the flower or flower cluster
38
Irregular
Flowers where the parts are dissimilar in size, shape, or arrangement
39
Joint
A point on a stem where two sections join together, usually resulting in a slight swelling
40
Lance-shaped
Broader towards one end and tapering to point on the other, like a medieval lance, typically 3 or more times longer than wide
41
Leaflet
One of the separate parts of a divided leaf
42
Lip
Upper or lower part of irregular flowers
43
Lobe
One of the segments, usually rounded, of a leaf or flower
44
Mealy
Covered with small dust-like particles
45
Midrib
The central vein of a leaf or leaflet
46
Neutral
Without stamens or pistils
47
Oblong
Longer than broad with parallel sides
48
Opposite
Leaves arranged as pairs on a stem
49
Oval
Broadly elliptical
50
Ovary
Enlarged base of the pistil that produces the seeds
51
Palate
A raised appendage on the lower lip of a corolla which partially or completely closes the throat
52
Palmate
Describing a leaf which is divided into several leaflets which arise from the same point
53
Palmately lobed, cleft, or divided
Lobed, cleft, or divided so as to give the leaf a palmate configuration
54
Panicle
An elongated branched flower cluster
55
Pappus
Bristles, hairs on top of the fruit of members of the composite family
56
Perennial
With a life span extending over more than two growing seasons
57
Pinnate
With the same arrangement as a feather; divided into pinnae; once-compound Pinnately lobed, cleft, or divided
58
Pistillate
Having pistils but no stamens
59
Pith
A softer central part of a twig or stem
60
Pod
Dry fruit (like a pea pod)
61
Prostrate
Lying flat on the ground
62
Raceme
An elongated flower cluster with stalked flowers arranged along a central stem
63
Ray
One of the stalks of an umbel, in members of the composite family, the petal-like flowers encircling the disk
64
Recurved
Curved downward or backward
65
Reflexed
Abruptly turned down or backward
66
Regular
Having all the parts alike in size and shape
67
Rib
Prominent vein of a leaf
68
Rootstock
Horizontal underground stem
69
Rosette
Small circular cluster of leaves, usually at the base of the plant
70
Runner
A slender, prostrate branch
71
Scale
A tiny colorless leaf found on some plant stems
72
Sepal
Part of the calyx
73
Sheath
Thin membrane surrounding the stem
74
Shoot
Newly developed stem and leaves
75
Soft-hairy
Covered with soft hairs
76
Spadix
Fleshy spike of flowers
77
Spathe
A large bract enclosing a flower cluster
78
Spike
An elongated flower cluster with stalkless flowers arranged along a central stem
79
Spur
A pouch-like short to slender, usually hollow extension of some part, usually of a flower
80
Stalk
Stem of leaf or flower
81
Staminate
Having stamens but no pistils
82
Stipule
A small leaflike growth at the base of a leaf stalk
83
Tendril
A slender coiling growth used for climbing or support
84
Terminal
At the apex or distal end
85
Toothed
On leaf, having several small indentations along the leaf margin
86
Trailing
Running along the ground without rooting
87
Tuber
A stem, usually underground, enlarged as a storage organ and with minute scale-like leaves and buds or "eyes"
88
Umbel
A flower cluster in which all flower stalks radiate from the same point, like the ribs of an umbrella
89
Whorled
Arranged in a circle around a central point
90
Wing
A thin narrow membrane extending along a stem, stalk, or other part

Plant Bio (1 decks)

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