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BIO257: Australian Biodiversity > C > Flashcards

C Flashcards

1
Q

Caducous

A

falling off early (as in sepals of poppy).

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2
Q

Caepitose

A

growing in tufts like grass

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3
Q

Callosity

A

a thickened swelling.

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4
Q

Calli

A

glandular hairs

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5
Q

Callus

A

a hard thickened part, e.g. on the labellum of some orchids

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6
Q

Calycle

A

the epicalyx. a whorl of bracts outside the true calyx: rim at the top of cup-shaped torus (Loranthaceae).

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7
Q

Calyx

A

the outer whorl of a flower when both sepals and petals are present. and consisting of free or united sepals.

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8
Q

Caylx-rim

A

or calycine ring: scar left by the operculum at the summit of the calyx-tube of the Eucalyptus flower-bud.

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9
Q

Calyx-tube

A

the enlarged floral receptacle (see hypanthium, floral-tube, torus) of the Eucalyptus flower-bud.

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10
Q

Campanulate

A

bell-shaped, e.g. a tubular corolla with petals ± united. i.e. wider at the top than at the bottom.

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11
Q

Canaliculate

A

longitudinally grooved or channelled

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12
Q

Caescent

A

grey or hoary

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13
Q

Capillary

A

hair-like

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14
Q

Capitate

A

having a rounded head

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15
Q

Capitulum

A

an inflorescence, having ± Sessile flowers crowded into a head

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16
Q

Capsule

A

a dry fruit consisting of more than 1 carpel and splitting into valves when ripe, or opening by pores or teeth at the apex

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17
Q

Carinatte

A

keeled

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18
Q

Carpel

See Pistil

A

the organ containing the ovules; a modified leaf folded lengthwise with edges joined, constituting a simple pistil or an element of a compound pistil.

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19
Q

Caruncle (aril)

A

a fleshy appendage of the seed, growing near the seed stalk

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20
Q

Caryopsis

A

an achene with seed joined to the ovary wall

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21
Q

Catkin

A

a spike consisting of small unisexual apetalous flowers

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22
Q

Caudate

A

bearing a tail-like appendage

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23
Q

Caudex

A

stem

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24
Q

Caudicle

A

a strap-like structure connecting the pollen masses in orchids to the viscid disc of the appendage to the stigma; stalk of pendulous or erect pollen-masses as in Rhyncharrhena and Leichardtia (Asclepiadaceae)

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25
Q

Cauline

A

ins<’rt<’d on. or pertaining to. the stem

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26
Q

Cernuous

A

drooping. head turned downwards

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27
Q

Chaff

A

a small. thin. dry and membranous scale or bract. in particular the bracts (chaffy scales) in t he f1ower-heads of some members of the Asteraceae

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28
Q

Ciliate

A

fringed with hairs or ‘cilia’ (as in leaf)

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29
Q

Ciliolate

A

bordered by, very short hairs.

30
Q

Cinereus

A

ashy-grey

31
Q

Circinate

A

rolled coil-wise from the top downwards

32
Q

Circumsciss

A

when a capsule opens along a horizontal. circular line so that the top or lid breaks away

33
Q

Cladode

A

a green. flattened stem which resembles a leaf

34
Q

Clavate; Claviform

A

club-shaped

35
Q

Claw

A

the- narrow lower part of a petal or involucral bract; in orchids it particularly refers to the labellum.

36
Q

Coccus

A

the I -seeded carpel of a syncarpous fruit which splits away from another when ripe

37
Q

Column

A

the stamens and style when combined in a solid body as in Orchidaceae and Stylidiaceae: the lower part of the awn in grasses.

38
Q

Columnar tube

A

a hollow tube of united stamina! filaments embracing style and ovary, e.g. Malvaceae

39
Q

Coma

A

a tuft of silky hairs attached to the end of a seed

40
Q

Complicate

A

folded together or folded upon itself

41
Q

Compound leaf

A

a leaf of two or more leaflets

42
Q

Compressed

A

more or less flattened laterally; as in fruits of Apium

43
Q

Conduplicate

A

folded together lengthwise

44
Q

Cone-scale

A

the- fleshy stalk-like base (fruit) to which the seed is attached in Podocarpaceae.

45
Q

Cone-vave

A

woody bracteoles and bracts surrounding the true fruit in Casuarina

46
Q

Confluent

A

running together. commonly pertaining to anther cells

47
Q

Connate

A

joined together at the base (e.g. petals in gamopetalous flowers).

48
Q

Connective

A

the part of the anther distinct from the filament which connects the 2 cells

49
Q

Connivent

A

organs approaching one another at the summit

50
Q

Contaguous

A

when neighbouring parts are in contact without fusing

51
Q

Cordate

A

heart-shaped. as in leaves with the notch at the base

52
Q

Coriaceous

A

leathery in texture (as in leaves).

53
Q

Corm

A

a tuberous underground stern

54
Q

Corolla

See Perianth

A

the inner whorl of a f1ower consisting of free- or united petals. For lobe. tube and segment

55
Q

Corona

A

a small ring or crown of free or united appendages. inserted inside the corolla

56
Q

Corymb (corymbose)

A

an inflorescence in which the lowest flower stalks continue to grow until they reach approximately the- same level as the terminal one. so that all the flowers are
brought to the same Ind. The oldest flowers arc at the edges

57
Q

Costate

A

ribbed with ± parallel lines distinctly raised; as in calyx-tube of some Eucalyptus species.

58
Q

Cotyledon

A

the first leaf (seed-leaf) of the plant embryo

59
Q

Crenate

A

margin cut into blunt or rounded teeth

60
Q

Crenulate

A

crenate. with very small teeth.

61
Q

Crisped

A

markedly wavy or undulate. curled

62
Q

Cristate

A

crested

63
Q

Cucullate

A

hooded

64
Q

Culm

A

the stem of grasses. usually hollow except at the nodes

65
Q

Cuneate (cuneiform)

A

wedge-shaped, with the narrow end at point of attachment. as the bases of leaves or petals.

66
Q

Cuspidate

A

tipped with a sharp, rigid point.

67
Q

Cymbiform

A

boat-shaped (keel of Papilionaceae).

68
Q

Cyme

A

an inflorescence in which the main axis stops growing on the production of a flower. In the cymose inflorescence the oldest flowers are in the centre not on the ed1ses as in a corymb

69
Q

Cymule

A

a diminutive cyme

70
Q

Cypsela

A

a small, indehiscent, dry, 1-seed<”d fruit formed from an inferior ovary (e.g. Asteraceae), often loosely called an achene

BIO257: Australian Biodiversity (43 decks)

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