Perianth/Androecium

Question 1

Biseriate

Answer 1

perianth consists of both sepals and petals

Question 2

Uniseriate

Answer 2

perianth consists of only one set of parts (sepals, by definition)

Question 3

Apetalous

Answer 3

without petals

Question 4

Naked

Answer 4

without sepals or petals

Question 5

Tepal

Answer 5

an undifferentiated perianth part (in some flowers, sepals and petals are indistinguishable and are collectively called tepals)
Ex: Cactus Family – it is not possible to tell which of the perianth parts are sepals and which are petals

Question 6

Corona

Answer 6

an extra set of perianth parts found between the corolla and the androecium in some flowers; also sometimes called a “crown”
Ex: Daffodils have an extra set of perianth parts forming the tube in the center of the flower; this is the corona

Question 7

Campanulate

Answer 7

Corolla configuration

bell shaped

Question 8

Funnelform

Answer 8

Corolla configuration

funnel shaped

Question 9

Salverform

Answer 9

Corolla configuration

horn shaped; with a long tube and a limb (distal portion) that is abruptly flared

Question 10

Rotate

Answer 10

Corolla configuration

saucer shaped; with a short tube and an abruptly flared limb

Question 11

Tubular

Answer 11

Corolla configuration

tube elongate, the limb ± absent

Question 12

Bilabiate

Answer 12

Corolla configuration
two-lipped; characteristic of many
members of the mint family

Question 13

Ligulate

Answer 13

Corolla configuration

strap shaped; characteristic of many members of the aster family

Question 14

Papilionaceous

Answer 14

Corolla configuration

“butterfly” shaped; charac- teristic of many members of the legume family

Question 15

Androecium

Answer 15

collective term for all the stamens of the flower

Each stamen consists of an elongate filament and a pair of pollen- producing anthers held together by a connective

Question 16

Monadelphous androecium

Answer 16

stamens united by the filaments into a single group

Question 17

Diadelphous androecium

Answer 17

stamens united by the filaments into two groups

Question 18

Syngenesious androecium

Answer 18

stamens united into a single group by the anthers

Question 19

Didynamous androecium

Answer 19

stamens four, two with long filaments and two with short filaments (ex: mint family)

Question 20

Tetradynamous androecium

Answer 20

stamens six, four with long filaments and two with short filaments (ex: mustard family)

Question 21

Epipetalous androecium

Answer 21

stamen filaments attached to the inner surface of the petals