D

Question 1

Deciduous

Answer 1

falling off, as leaves of non-evergreen trees; or deciduous bark as in Eucalyptus

Question 2

Decumbent

Answer 2

lying along the ground with end rising (applied to stems)

Question 3

Decurrent

Answer 3

the blade or stalk of the leaf continued down the stem in raised lines or narrow wings.

Question 4

Decussate

Answer 4

(of leaves) opposite and successive pairs at right angles to each other

Question 5

Defexed

Answer 5

bent downwards

Question 6

Dehiscent

Answer 6

opening when ripe (applied to fruits).

Question 7

Deltoid

Answer 7

the shape of an equilateral triangle

Question 8

Denticulate

Answer 8

finely toothed

Question 9

Dichasial

Answer 9

as of growth or an inflorescence, e.g. dichasial cyme; the growing point ends in a flower bud. Two new growing points. which in turn end in flower buds. develop from opposite sides below the terminal bud.

Question 10

Dichotomous

Answer 10

divided into 2 branches which divide again into 2 and so on.

Question 11

Didymous

Answer 11

found in pairs (fruits of Apiaceae). or divided into 2 lobes with little or no connective (anthers).

Question 12

Didynamous

Answer 12

having 4 stamens in 2 pairs of unequal length

Question 13

Digitate

Answer 13

a compound leaf whose leaflets spread from a common centre. like the fingers of a hand.

Question 14

Dioecious

Answer 14

plant whose male and female parts grow on different individuals

Question 15

Dipterous

Answer 15

two-winged or with two wing-like processes

Question 16

Disc (disk)

Answer 16

an extension of the torus between the calyx and the gynoecium. e.g. in the Rutaceae. It may be cushion or ring-like or reduced to separate glands or scales; part of pollen-presenter as in Grevillea; circular plate between stamina I ring and valves in fruits of Eucalyptus.

Question 17

Disc floret

Answer 17

the inner or central florets borne on the flattened penduncle in a radiate flowerhead in contrast to the surrounding ray florets( Asteraceae).

Question 18

Discoid

Answer 18

having only tubular disc flowers as in some Asteraceae; or the stigma disc-shaped

Question 19

Dissepiment

Answer 19

one or more vertical partitions dividing the ovary and fruit into 2 or more cells.

Question 20

Distal

Answer 20

the far or free end of the la bell um in an orchid. Attached end is proximal

Question 21

Distichous

Answer 21

regularly arranged in 2 opposite rows. as applied to leaves or flowers

Question 22

Divaricate

Answer 22

spreading widely (almost at right-angles) in different directions from a common centre.

Question 23

Dorsal

Answer 23

relating to the back. abaxial or under-surface of a leaf or flower.

Question 24

Dorsifixed

Answer 24

anther on which the filament is attached at the back.

Question 25

Dorsiventral

Answer 25

pertaining to an organ which has dorsal and ventral surfaces. e.g. a leaf

Question 26

Drupe

Answer 26

an indehiscent stone fruit in which the pericarp is fleshy or leathery

Question 27

Druplet

Answer 27

a small drupe