Inflorescence Morphology

Question 1

peduncle

Answer 1

the main stem of an inflorescence

Question 2

pedicle

Answer 2

the smaller stem that branches off of the peduncle and holds a flower

Question 3

bract

Answer 3

modified leaf found only on inflorescences

Question 4

raceme

Answer 4

pedicles with flowers grow directly from the peduncle (usually forming a cone shaped inflorescence)

Question 5

spike

Answer 5

a raceme where flowers grow directly from the peduncle with no pedicles

Question 6

corymb

Answer 6

an infloresence in which the bottom pedicles grow longer to give the inflorescence a flat top

Question 7

umble

Answer 7

an inflorescence type in which all of the pedicles branch from the same point on the peduncle (can be round or flat topped)

Question 8

panicle

Answer 8

a twice pinnately raceme

Question 9

thyrse

Answer 9

a three times pinnately raceme

Question 10

head

Answer 10

an inflorescence in which the flowers sit directly on the peduncle, forming a flat-topped shape

Question 11

fascicle

Answer 11

an inflorescence type in which multiple pedicles branch from multiple of the same points on the peduncle

Question 12

cyathium

Answer 12

an inflorescence type forming a cup-like structure, found only in euphorbiaceae

Question 13

When you see clusters of 3, what should be the base assumption?

Answer 13

cyme

Question 14

Opposite leaf plants tend to make ____.

Answer 14

cymes

Question 15

syconium

Answer 15

an inflorescence type in which the rachus completely covers the inflorescence