Quiz 1

Question 1

tansy ragwort

Answer 1

• Asteraceae
• flowers bunched at top
• biennial
• alternate leave

Question 2

pineappleweed

Answer 2

• Asteraceae
• smells good
• annual
• **small, cone shaped flowers **

Question 3

prickly lettuce

Answer 3

• Asteraceae
• spiny midrib on the underside
• biennial, winter annual
• clasping lobes
• flowers all flat yellow

Question 4

horseweed

Answer 4

• Asteraceae
• annual
• large flowers on the bottom, smaller on top
• **stalked leaves on the bottom **
• wimpy dandelion looking leaves

Question 5

Canada thistle

Answer 5

• Asteraceae
• perennial
• small purple flowers
• no spikes on involucre

Question 6

bull thistle

Answer 6

• Asteraceae
• biennial
• large purple flowers
• spines on involucre

Question 7

yellow starthistle

Answer 7

• Asteraceae
• annual
• yellow flowers with spines on underside
• leaves deeply lobed

Question 8

mayweed chamomile

Answer 8

• Asteraceae
• annual
• foul smelling
• very bushy when flowering
• flowers look like perfect daisies
  *

Question 9

wild carrot

Answer 9

• Apiaceae
• bienniel
• strong carrot smell
• umbels of white flowers

Question 10

cow parsnip

Answer 10

• Apiaceae
• perennial
• **huge white umbels **
• huge hairy and grooved leaves

Question 11

poison hemlock

Answer 11

• Apiaceae
• biennial
• blotchy purple stem
• white, perfect flowers
• shiny, finely pinnately leaves divided 3-4 times, segmented leaflets

Question 12

Answer 12

tansy ragwort

Question 13

Answer 13

poison hemlock

Question 14

Apiaceae

Answer 14

• parsley family
• odiferous
• hollow stems
• umbels
• leaves are alternate or all basal

Question 15

pigweed

Answer 15

• Amaranthaceae
• annual
• prominant veins

Question 16

types of leaves

Answer 16

petiolate, sessile and clasping

Question 17

What is a Petiolate leaf?

Answer 17

leaf is borne on a petiole, stalk or stem

Question 18

What is a sessile leaf?

Answer 18

leaf lacks a petiole, stem or stalk, is attached directly to the stem

Question 19

Characteristics of Apiaceae

Answer 19

leaves are alternate or all basal

leaves are simple to pinnately/palmately compound

odoriferous

stems are often hollow

infloresence is composed of simple or compound umbels of perfect flowers

Question 20

Characteristics of Amaranthaceae

Answer 20

leaves are alternate and simple. no stipules. deep veins

infloresence is varied, frequently with three colorful bracts subtending the flowers

flowers are small and non-showy, no petals. usually greenish purple

Question 21

perianth

Answer 21

petals and sepals

Question 22

corolla

Answer 22

all petals together

Question 23

calyx

Answer 23

all sepals together

Question 24

receptacle

Answer 24

where flower is attached,

supports sepals, petals, stamens and pistils

Question 25

pedicle

Answer 25

flower stem

Question 26

parts of stamen

Answer 26

anther, filament

Question 27

parts of pistil

Answer 27

stigma, style, ovary

Question 28

petiole

Answer 28

stalk of leaf

Question 29

raceme

Answer 29

flowers are single on individual pedicels along an elongated rachis

Question 30

Panicle

Answer 30

infloresence with two or more flowers on a branch arranged on an elongated axis (the rachis. the basal or lateral flowers or some of them, open before the terminal or central flowers on any axis. Typically in grasses.

Question 31

Cyme

Answer 31

branched inflorescence in which the central or uppermost flower opens before the peripheral or lowermost flowers on any axis

Question 32

Umbel

Answer 32

a flat topped or rounded cluster where pedicels radiate from the same point, no rachis.

Question 33

Spike

Answer 33

inflorescence with perfect sessile flowers along the rachis. Typically in grasses.

Question 34

What are the Asteraceae that are annuals?

Answer 34

Mayweed Chamomile yellow starthistle horseweed pineappleweed common groundsel spiny sowthistle

Question 35

What are the asteraceae that are biennial?

Answer 35

bull thistle pricky lettuce (also winter annual) tansy ragwort

Question 36

Which of the Asteraceae are Perennial?

Answer 36

Canada thistle

Question 37

spiny sowthistle

Answer 37

Asteraceae annual clasping leaves contains a milky juice looks like dandelion but spiny leaves

Question 38

common groundsel

Answer 38

Asteraceae annual black tipped involucral bracts yellow disk flowers irregularly toothed leaves