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BIO257: Australian Biodiversity > S > Flashcards

S Flashcards

(76 cards)

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1
Q

Saccate

in relation to perianth or ovary

A

bag-shaped, like a pouch

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2
Q

Sagittate

A

shaped like the head of an arrow

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3
Q

Samara

A

a winged nut

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4
Q

Scaberulous (scabrid)

A

somewhat rough

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5
Q

Scabrous (scabrid)

A

rough to the touch. usually due to short. stiff hairs

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6
Q

Scandent

A

climbing

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7
Q

Scape

A

a leafless flower stalk arising from a rosette of basal leaves

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8
Q

Scarious

A

applied to bracts which are not fleshy but thin and dry or membranous

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9
Q

Scleophyllous

A

hard or leathery: leaves usually with thick cuticles and sunken stomata

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10
Q

Scorpioid

A

a cyme in which the lateral branches are developed on opposite sides alternate.

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11
Q

Scurfy

A

covered with rninute loose scales

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12
Q

Sepal

A

0ne of the parts of the calyx

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13
Q

Sepaloid

A

said of a perianth or corolla that resembles sepals in appearance

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14
Q

Septate

A

divided by partitions

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15
Q

Septicidal

A

when a capsule splits open through dissepiments and the carpels fall apart separately

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16
Q

Serrate

A

toothed like a saw

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17
Q

Serrulate

A

rninutely serrate

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18
Q

Sessile

A

wi1hout a stalk. applied to flowers and leaves which arise fron1 the stem

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19
Q

Seta

A

a bristle or stiff hair

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20
Q

Setaceous

A

bristle-like; applied to a stern it means slender

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21
Q

Setose

A

covered with bristles.

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22
Q

Serulose

A

resembling a fine bristle

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23
Q

Sheathing

A

the stalk or blade of a leaf more or less encircling the stem

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24
Q

Shrub

A

a woody plant of smaller structure than a tree and one that produces shoots or trunks from the base

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25
Sigmoid
5-shaped, as of leaf. or pedicel bearing a flower as in some species of Eremophila
26
Silicula
the seed-pod of some Brassicaceae composed of 2 carpels and usually less than 3 times as long as broad
27
Siliqua
the seed-pod of some Brassicaceae composed of 2 carpels and usually more than 3 times as long as broad
28
Simple
opposite of compound. e.g. a simple leaf is not divided into leaflets
29
Sinuate
having a wavy outline
30
Sinus
the recess between two lobes of a leaf (as in Dryandra); or of an organ. e.g. junction between lateral sepals in Pterostylis
31
Sorus (pl. sori)
the- clusters of fruiting bodies of ferns; usually appearing on the under surface of the frond
32
Spathe
the- bract or leaf enclosing a flower cluster. e.g. the white petaloid section of the Arum lily.
33
Spathiole
a small spathe
34
Spathulate
spoon-shaped - as of a leaf: broadest at the outer end and gradually narrowing towards the base.
35
Sphaeroidal
(more/less) globular
36
Spicate
arranged in a spike
37
Spike
an indefinite inflorescence of sessile flowers
38
Spikelet
a secondary spike bearing one or several flowers. subtended by a common pair of glumes, as in Gramineae and Cyperaceae
39
Spinescent
spiny
40
Spinule
a small spine
41
Sporangium (pl. sporangia)
a sac containing spores as in ferns
42
Spore
a simple reproductive body. usually composed of a single cell containing no embryo, found particularly in the ferns and lower orders.
43
Sporocarp
a receptacle containing spores or sporangia
44
Sporophyll
a leaf which bears spores or sporangia
45
Spur
a hollow, slender protuberance from the base of the calyx or corolla, usually containing a nectar-secreting gland
46
Squarrose
rough with spreading projections such as the tips of bracts
47
Stamen
the male organ of seed-forming plants. consisting of the pollen-bearing anther supported by the filament
48
Staminal ring
scar of the filament bases of stamens in a Eucalyptus flower-bud
49
Staminate
applied to a flower which has stamens but no pistil
50
Staminode
a sterile stamen. or a structure resembling a stamen and borne on the stamina! part of the flower
51
Standard
the broad upright petal of a papilionaceous flower
52
Stellate
star-shaped. refers to branched hairs
53
Sterile
lacking functional sex organs
54
Stigma
the female pan of the flower which receives the pollen and is supported by the style
55
Stigmatic
pertaining to a stigma
56
Stripe
the stalk of a pistil or other small organ; the petiole of a fern leaf
57
Stipella (or stipel)
a small secondary stipule, usually found at the base of leaflets
58
Stipitate
shortly stalked
59
Stipule
one of a pair of tiny appendages which may be present at the base of a petiole
60
Stock
the portion of the stem and roots in a herbaceous perennial that docs not die during the season.
61
Stolon (sucker or runner)
a basal branch growing prostrate along or just below the ground, rooting at intervals and forming new plants.
62
Stoloniferous
sending out or propagating by stolons
63
Striate (striae)
with fine parallel lines. grooves or ridges
64
Strigose
leaves covered with strigae. i.e. straight rigid. closely-pressed rather short bristle-shaped hairs.
65
Strophiole
a small hard appendage outside the testa of a seed
66
Style
the stalk joining the stigma to the ovary of the pistil
67
Style-end
pollen-presenter region as in Grevillea
68
Subulate
awl-shaped
69
Succulent
juicy or fleshy
70
Sulcate
grooved or furrowed lengthwise
71
Superior
(as of ovary) lies upon the receptacle
72
Suture
a line of union as in a fruit
73
Sympatric | see allopatric
occurring in one area
74
Synangium
an aggregated or composite sporangium with a series of loculi
75
Syncarpous
an ovary or fruit composed of united carpels
76
Syngenesious
stamens jointed by their anthers. forming a cylinder round the style

BIO257: Australian Biodiversity (43 decks)

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