P

Question 1

Palea

Answer 1

the upper and innermost of the two bracts enclosing the flowers of grasses

Question 2

Palmate

Answer 2

arranged like the fingers of a hand leaf veins or leaflets.

Question 3

Panicle (paniculate)

Answer 3

a flower-cluster in which the branches are racemose. the flowers being pedicellate

Question 4

Papilionate (paniculate)

Answer 4

said of the corolla of the pea flower and other legumes. having a standard. wings and keel.

Question 5

Papillae

Answer 5

minute pimple-like protuberances

Question 6

Papillose

Answer 6

bearing papillae

Question 7

Pappus

Answer 7

the hairs. bristles. awns. or scales (representing the calyx) at the top of the ovary or achene in Asteraceae. When the pappus consists of fine bristles. these may appear simple.
barbellate (with tiny barbs) or feathery (plumose).

Question 8

Parasite

Answer 8

a plant which grows in or upon another obtaining nourishment from it. e.g. Mistletoe. Dodder. Nuylsia and Orobanche

Question 9

Parasite

Answer 9

a plant which grows in or upon another obtaining nourishment from it. e.g. Mistletoe. Dodder. Nuylsia and Orobanche

Question 10

Partial flower-heads

Answer 10

heads small ( 1-20-flowered). crowded in a compound head which is usually globoid or ovate and may be surrounded by a general involucre.

Question 11

Partite

Answer 11

divided into parts almost to base

Question 12

Pectinate

Answer 12

comb-like. with lobes very narrow and close

Question 13

Pedicel

Answer 13

the stalk of an individual flower in an inflorescence.

Question 14

Peduncle

Answer 14

the main stalk of an inflorescence. or of an individual flower when only one flower is present.

Question 15

Peltate

Answer 15

having the stem or support attached underneath not at the edge, disc-shaped

Question 16

Pencilliate

Answer 16

arranged like a tuft of hairs

Question 17

Penniveined

Answer 17

arranged like a tuft of hairs

Question 18

Perennial

Answer 18

a plant which lives for a number of years and which does not die after flowering and fruiting once

Question 19

Perfoliate

Answer 19

base of leaf completely encircles stem

Question 20

Perianth

Answer 20

a collective term for calyx and corolla .. used particularly in describing flowers where the 2 whorls are not easily distinguished or in which only I of these whorls is present.

Question 21

Perianth-lobe (corolla-lobe)

Answer 21

that part of the perianth which is free from the apex to about the middle or less.

Question 22

Perianth-segment (corolla-segment = petal

Answer 22

that part of the perianth which is free from

apex to base or at least below the middle.

Question 23

Perianth-tube (corolla-tube)

Answer 23

that part of the perianth which remains entire. i.e. dot’s not exist as a lobe or segment.

Question 24

Pericarp

Answer 24

the wall of a ripened ovary ( = fruit).

Question 25

Perigynous

Answer 25

floral parts arising around the ovary and not beneath it

Question 26

Persistent

Answer 26

applies to parts of plants which remain after flowering. or to the persistent bark of rough-barked Eucalyptus species

Question 27

Petal

Answer 27

one of the parts of the corolla. generally coloured

Question 28

Petaloid

Answer 28

resembling a petal

Question 29

Petiole

Answer 29

leaf stalk

Question 30

Petiolate

Answer 30

applied to leaves which have a petiole

Question 31

Phyllary

Answer 31

a bran of the involucre in certain genera of the Asteraceae

Question 32

Phyllichnia

Answer 32

branchlet with striae. as in Allocasuari11a

Question 33

Phyllode

Answer 33

a leaf-like petiole which does not give rise to a leaf blade: a modification which occurs often in Acacia

Question 34

Pileate

Answer 34

having the form of a cap: as in opercula of some Eucalyptus species

Question 35

Pilose

Answer 35

shaggy, with soft hairs

Question 36

Pinna

Answer 36

the primary division or leaflet of a compound leaf

Question 37

Pinnate

Answer 37

arranged like the divisions of a feather: used of a compound leaf with leaflets placed on either side of the common stalk

Question 38

Pinnatifid

Answer 38

a leaf in which the lobes are cut half-way to the midrib.

Question 39

Pinnule

Answer 39

a secondary pinna or leaflet in a bipinnate leaf

Question 40

Pistil

Answer 40

the female organ of a flower consisting of ovary. style and stigma. it may consist of I carpel in which case it is a simple pistil. or of 2 or more united carpels in which case it is a compound pistil. A flower may have a gynoecium of a single pistil (carpel). a compound pistil (united carpels) or 2 or more pistils (carpels).

Question 41

Pistillate

Answer 41

having a pistil or pistils. i.e. the female parts of the flower but no functional male parts or stamens

Question 42

Pitcher

Answer 42

a tubular or cup-shaped vessel: the terminal portion of a leaf blade: may contain a secreted digestive fluid

Question 43

Placenta

Answer 43

the part of the ovary to which the ovules are attached

Question 44

Placentation

Answer 44

the arrangement of ovules within the ovary. Sec illustrations for diff<'rent types of placentation.

Question 45

Plano-convex

Answer 45

flat one side. convex the other

Question 46

Plicate

Answer 46

folded into pleats.

Question 47

Plumose

Answer 47

feather-like, having long fine hairs. as in the pappus of some Asteraceae

Question 48

Pneumatophere

Answer 48

respiratory roots as in Avicennia

Question 49

Pod

Answer 49

a dry fruit formed from a single carpel or composed of 2 carpels separated by a partition

Question 50

Pollen-presenter

Answer 50

stigmatic disc, style-end as in Grevillea

Question 51

Pollinium (pl. pollinia)

Answer 51

mass of cohering pollen grains

Question 52

Polygamous

Answer 52

when the same plant bears male, female (unisexual) and bisexual (perfect) flowers.

Question 53

Polymorphic

Answer 53

variable in habit. or displaying many diversities of form

Question 54

Pome

Answer 54

an indehiscent fruit in which the fleshy receptacle surrounds several dry carpels. e.g. apple.

Question 55

Posterior

Answer 55

the parts of a flower nearest the flowering axis

Question 56

Procumbent

Answer 56

trailing along the ground but not necessarily prostrate or rooting

Question 57

Proliferous

Answer 57

bearing off-shoots or adventitious leaf buds on the leaves or flowers

Question 58

Prostrate

Answer 58

fairly closely pressed to the- surface of t he ground: trailing

Question 59

Pruinose

Answer 59

having a waxy. powdery secretion on the surface: a 'bloom'.

Question 60

Pubescent

Answer 60

covered with short. soft downy hairs

Question 61

Punctate

Answer 61

with translucent or coloured dots

Question 62

Pungent

Answer 62

ending in a stiff, sharp point. or tip.

Question 63

Pyriform

Answer 63

pear-shaped

Question 64

Pyrenes

Answer 64

nutlets; the small stone of a drupe