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bio257: australian biodiversity > S > Flashcards

S Flashcards

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
Q

Sigmoid

A

5-shaped, as of leaf. or pedicel bearing a flower as in some species of Eremophila

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26
Q

Silicula

A

the seed-pod of some Brassicaceae composed of 2 carpels and usually less than 3 times as long as broad

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27
Q

Siliqua

A

the seed-pod of some Brassicaceae composed of 2 carpels and usually more than 3 times as long as broad

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28
Q

Simple

A

opposite of compound. e.g. a simple leaf is not divided into leaflets

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29
Q

Sinuate

A

having a wavy outline

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30
Q

Sinus

A

the recess between two lobes of a leaf (as in Dryandra); or of an organ. e.g. junction between lateral sepals in Pterostylis

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31
Q

Sorus (pl. sori)

A

the- clusters of fruiting bodies of ferns; usually appearing on the under surface of the frond

32
Q

Spathe

A

the- bract or leaf enclosing a flower cluster. e.g. the white petaloid section of the Arum lily.

33
Q

Spathiole

A

a small spathe

34
Q

Spathulate

A

spoon-shaped - as of a leaf: broadest at the outer end and gradually narrowing towards the base.

35
Q

Sphaeroidal

A

(more/less) globular

36
Q

Spicate

A

arranged in a spike

37
Q

Spike

A

an indefinite inflorescence of sessile flowers

38
Q

Spikelet

A

a secondary spike bearing one or several flowers. subtended by a common pair of glumes, as in Gramineae and Cyperaceae

39
Q

Spinescent

A

spiny

40
Q

Spinule

A

a small spine

41
Q

Sporangium (pl. sporangia)

A

a sac containing spores as in ferns

42
Q

Spore

A

a simple reproductive body. usually composed of a single cell containing no embryo, found particularly in the ferns and lower orders.

43
Q

Sporocarp

A

a receptacle containing spores or sporangia

44
Q

Sporophyll

A

a leaf which bears spores or sporangia

45
Q

Spur

A

a hollow, slender protuberance from the base of the calyx or corolla, usually containing a nectar-secreting gland

46
Q

Squarrose

A

rough with spreading projections such as the tips of bracts

47
Q

Stamen

A

the male organ of seed-forming plants. consisting of the pollen-bearing anther supported by the filament

48
Q

Staminal ring

A

scar of the filament bases of stamens in a Eucalyptus flower-bud

49
Q

Staminate

A

applied to a flower which has stamens but no pistil

50
Q

Staminode

A

a sterile stamen. or a structure resembling a stamen and borne on the stamina! part of the flower

51
Q

Standard

A

the broad upright petal of a papilionaceous flower

52
Q

Stellate

A

star-shaped. refers to branched hairs

53
Q

Sterile

A

lacking functional sex organs

54
Q

Stigma

A

the female pan of the flower which receives the pollen and is supported by the style

55
Q

Stigmatic

A

pertaining to a stigma

56
Q

Stripe

A

the stalk of a pistil or other small organ; the petiole of a fern leaf

57
Q

Stipella (or stipel)

A

a small secondary stipule, usually found at the base of leaflets

58
Q

Stipitate

A

shortly stalked

59
Q

Stipule

A

one of a pair of tiny appendages which may be present at the base of a petiole

60
Q

Stock

A

the portion of the stem and roots in a herbaceous perennial that docs not die during the season.

61
Q

Stolon (sucker or runner)

A

a basal branch growing prostrate along or just below the ground, rooting at intervals and forming new plants.

62
Q

Stoloniferous

A

sending out or propagating by stolons

63
Q

Striate (striae)

A

with fine parallel lines. grooves or ridges

64
Q

Strigose

A

leaves covered with strigae. i.e. straight rigid. closely-pressed rather short bristle-shaped hairs.

65
Q

Strophiole

A

a small hard appendage outside the testa of a seed

66
Q

Style

A

the stalk joining the stigma to the ovary of the pistil

67
Q

Style-end

A

pollen-presenter region as in Grevillea

68
Q

Subulate

A

awl-shaped

69
Q

Succulent

A

juicy or fleshy

70
Q

Sulcate

A

grooved or furrowed lengthwise

71
Q

Superior

A

(as of ovary) lies upon the receptacle

72
Q

Suture

A

a line of union as in a fruit

73
Q

Sympatric

see allopatric

A

occurring in one area

74
Q

Synangium

A

an aggregated or composite sporangium with a series of loculi

75
Q

Syncarpous

A

an ovary or fruit composed of united carpels

76
Q

Syngenesious

A

stamens jointed by their anthers. forming a cylinder round the style

bio257: australian biodiversity (43 decks)

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