Lecture 5: Inflorescences

Question 1

In ____ inflorescence, the oldest flowers are the most basal or the most lateral

Answer 1

Racemose

Question 2

In a ____ all the pedicles arise from a common point compared to a corymb

Answer 2

Umbel

Question 3

In _____, the oldest flower is in the middle.

Answer 3

Cymose

simple, compound and scorpioid cyme

Question 4

What are the 5 types of racemose?

Answer 4

Solitary, spike, raceme (flowers on pedicle), panicle(branched), spadix (folding flower)

Question 5

____ is wind pollination, pollen produced in great amounts;
Stigmas are usually larger, feathery to create a greater reception surface for the pollen grains. Also they are sticky to retain better the pollen grains.

Answer 5

Anemophily

Question 6

True or False: Many trees in the spring are catkins?and summer grasses

Answer 6

True

Question 7

_____ are regions, strips or lines of low ultraviolet reflectance

Answer 7

Nectar guides

Question 8

____ use nectar guides and have landing platforms

Answer 8

Bees INSECT POLLINATION (entomophily)

Question 9

_____ have landing platforms

Answer 9

Many bilabiate

Question 10

____ have no nectar guides but like long corolla tubes or spurs

Answer 10

Butterfleis and moths

Question 11

___ are maroon / brown or flesh color and are foul smelling

Answer 11

Flies and carrion beetles

Question 12

_____ flowers are often red and tubular

Answer 12

Bird ORNITHOPHILY

Question 13

_____ have - nocturnal anthesis

• large, colorful or white, corolla wide open
• produce copious nectar or pollen

Answer 13

Bats CHEIROPTEROPHILY

Question 14

True or False: Pollination by mammals: not as common as insect pollination but possible

Answer 14

True