PLSC 211
HERBACEOUS
LANDSCAPE PLANTS
TEST 2
Fall 1998
Name __________________________________
This
test is composed of three parts; plant ordering (30 points), matching (30
points), and list five (40 points). You
may use either scientific or common names and spelling will not be graded.
Please write legibly so I can read your answers and if you use common names,
avoid ambiguity. Answers should be derived from the annual plant list, Still's
Herbaceous Plants, or lecture material. Still's Herbaceous Plants will serve as
the definitive source for plant characteristics.
Part
I. Plant Ordering. (30 points).
Place a 1, 2, 3, or 4 on the blank in front of the plants listed in each
question to indicate their relative order with regard to the criteria listed.
Consider the species or the most common cultivar for general
characteristics.
Order
the following plants from shortest (1) to tallest (4):
1. _______
Dianthus chinensis
2.
_______
Thymophylla tenuifolia
_______ Helianthus annuus
_______
Bassia scoparia
_______ Lobelia erinus
_______ Gerbera
jamesonii
_______ Tagetes
erecta
_______
Lantana camara
3.
_______ Cosmos bipinnatus
_______ Eustoma grandiflora
_______ Torenia fourneri
______ Viola
wittrockiana
Order
the following plants from the earliest to start flowering (1) to the latest (3)
assuming all plants are planted on 1 April and live through the year.
4. _______
Coleus blumei
5.
_______
Antirrhinum majus
_______ Heliotropium
arborescens
_______
Nierembergia
hippomanica
_______ Viola wittrockiana
_______
Salvia leucantha
Order
the following plants from most sun (1) to most shade (3) tolerant.
6. _______
Impatiens wallerana
7.
_______
Arctotis stoechadifolia
_______ Impatiens New
Guinea Hybrids _______
Begonia cultorum
_______ Sanvitalia
procumbens
_______
Zinnia angustifolia
Order the following plants from most drought
tolerant (1) to least drought tolerant (3).
8. _______
Ageratum houstonianum
9. _______
Browallia speciosa
_______ Fuschia hybrida
_______ Catharanthus
roseus
_______ Gomphrena globosa
_______ Petunia
x hybrida
Part
II. Matching (30 pts).
Fill in the appropriate letters under each category for each plant. Use
the letter from the key provided to describe each of the categories.
Please list the flower color most typical for the species.
Flower
Color
Flower
time
r
= red/pink
c = cool season annual
o
= orange
s = summer only (June, July, August)
y
= yellow
e = extended season (June to Frost)
w
= white/ cream
f = fall (August, September, October)
b
= blue/purple/lavender
n = flower not showy
n
= not showy
Flower Color
Flower time
Antirrhinum majus
__________
__________
Bassia scoparia
__________
__________
Celosia plumosa
__________
__________
Capsicum annuum
__________
__________
Calendula officinalis
__________
__________
Gazania rigens
__________
__________
Heliotropum arborescens
__________
__________
Helichrysum bracteatum
__________
__________
Impatiens wallerana
__________
__________
Matthiola incana
__________
__________
Nicotiana alata
__________
__________
Salvia officinalis
__________
__________
Torenia fourneri
__________
__________
Verbena x
hybrida
__________
__________
Zinnia hybrida
__________
__________
Part
III. List five (40 pts). List
plants that are best suited for each
of the following questions.
1.
List five annuals that have extremely fine textured foliage.
_________________________
_________________________
_________________________
_________________________
_________________________
2.
List five annuals that can have extremely coarse textured foliage.
_________________________
_________________________
_________________________
_________________________
_________________________
3.
List five “annuals” that either reseed or over-winter in this area.
_________________________
_________________________
_________________________
_________________________
_________________________
4.
List five annuals suitable for commercial use that are consistent
performers, tolerant of full sun, hot, dry conditions and have continual color
June to frost.
_________________________
_________________________
_________________________
_________________________
_________________________
5.
List five summer annuals that are from 1 to 3’ tall and have red
flowers.
_________________________
_________________________
_________________________
_________________________
_________________________
6.
List five cool season annuals with blue, purple or white flowers.
_________________________
_________________________
_________________________
_________________________
_________________________
7.
List five annuals that can be used for dried flowers.
_________________________
_________________________
_________________________
_________________________
_________________________
8.
List five annuals that can grow less than 12” tall and flower in the
summer.
_________________________
_________________________
_________________________
_________________________
_________________________